Improve API descriptiontizen_9.0_m2_releaseaccepted/tizen/unified/x/asan/20241013.235955accepted/tizen/unified/x/20240930.134644accepted/tizen/unified/toolchain/20241004.101636accepted/tizen/unified/20240930.083339accepted/tizen/9.0/unified/20241030.232427tizen_9.0tizenaccepted/tizen_unified_x_asanaccepted/tizen_unified_xaccepted/tizen_unified_toolchainaccepted/tizen_unifiedaccepted/tizen_9.0_unified

Change-Id: Ieae51c84ef95a6f93cfe004c9f96b4b7d540334a

5 files changed, 385 insertions, 121 deletions

diff --git a/include/media_controller_client.h b/include/media_controller_client.h
index 525df84..e5bdad7 100644
--- a/include/media_controller_client.h
+++ b/include/media_controller_client.h
@@ -30,7 +30,8 @@ extern "C" {
 /**
  * @file media_controller_client.h
  * @brief This file contains the media controller client API and functions related with handling media control. \n
- *        Functions include operations to get the latest status of the media controller servers.
+ *        Functions include operations to get the latest status of media controller servers.
+ *        It also includes functions that can process commands received from servers.
  */
 
 /**
@@ -151,6 +152,7 @@ typedef void (*mc_repeat_mode_updated_cb)(const char *server_name, mc_repeat_mod
  *
  * @see mc_client_set_playback_ability_updated_cb()
  * @see mc_playback_action_is_supported()
+ * @see mc_playback_ability_clone()
  */
 typedef void (*mc_playback_ability_updated_cb)(const char *server_name, mc_playback_ability_h ability, void *user_data);
 
@@ -268,11 +270,15 @@ typedef bool (*mc_subscribed_server_cb)(const char *server_name, void *user_data
  *
  * @see mc_client_set_playlist_updated_cb()
  * @see mc_playlist_foreach_playlist()
+ * @see mc_playlist_get_name()
+ * @see mc_playlist_get_item_count()
+ * @see mc_playlist_foreach_item()
+ * @see mc_playlist_destroy()
  */
 typedef void (*mc_playlist_updated_cb)(const char *server_name, mc_playlist_update_mode_e mode, const char *playlist_name, mc_playlist_h playlist, void *user_data);
 
 /**
- * @brief Called when receiving custom event of media controller servers.
+ * @brief Called when receiving custom event from media controller servers.
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop.\n The @a data should be released using bundle_free(). \n
@@ -362,12 +368,13 @@ typedef void (*mc_display_rotation_updated_cb)(const char *server_name, mc_displ
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
+ *
  * @see mc_client_destroy()
  */
 int mc_client_create(mc_client_h *client);
 
 /**
- * @brief Sets the callback for monitoring status of the media controller server.
+ * @brief Sets the callback for monitoring status of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 4.0
  *
@@ -389,11 +396,13 @@ int mc_client_create(mc_client_h *client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_server_updated_cb()
+ * @see mc_server_create()
+ * @see mc_server_destroy()
  */
 int mc_client_set_server_updated_cb(mc_client_h client, mc_server_state_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring status of the media controller server.
+ * @brief Unsets the callback for monitoring status of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -414,7 +423,7 @@ int mc_client_set_server_updated_cb(mc_client_h client, mc_server_state_updated_
 int mc_client_unset_server_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring playback status of the media controller server.
+ * @brief Sets the callback for monitoring playback status of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 4.0
  *
@@ -436,11 +445,12 @@ int mc_client_unset_server_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_playback_updated_cb()
+ * @see mc_server_update_playback_info()
  */
 int mc_client_set_playback_updated_cb(mc_client_h client, mc_playback_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring playback status of the media controller server.
+ * @brief Unsets the callback for monitoring playback status of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -462,7 +472,7 @@ int mc_client_set_playback_updated_cb(mc_client_h client, mc_playback_updated_cb
 int mc_client_unset_playback_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring metadata status of the media controller server.
+ * @brief Sets the callback for monitoring metadata status of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 4.0
  *
@@ -484,11 +494,12 @@ int mc_client_unset_playback_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_metadata_updated_cb()
+ * @see mc_server_update_metadata()
  */
 int mc_client_set_metadata_updated_cb(mc_client_h client, mc_metadata_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring metadata status of the media controller server.
+ * @brief Unsets the callback for monitoring metadata status of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -510,7 +521,7 @@ int mc_client_set_metadata_updated_cb(mc_client_h client, mc_metadata_updated_cb
 int mc_client_unset_metadata_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring shuffle mode of the media controller server.
+ * @brief Sets the callback for monitoring shuffle mode of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 4.0
  *
@@ -532,11 +543,12 @@ int mc_client_unset_metadata_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_shuffle_mode_updated_cb()
+ * @see mc_server_update_shuffle_mode()
  */
 int mc_client_set_shuffle_mode_updated_cb(mc_client_h client, mc_shuffle_mode_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring shuffle mode of the media controller server.
+ * @brief Unsets the callback for monitoring shuffle mode of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -558,7 +570,7 @@ int mc_client_set_shuffle_mode_updated_cb(mc_client_h client, mc_shuffle_mode_up
 int mc_client_unset_shuffle_mode_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring repeat mode of the media controller server.
+ * @brief Sets the callback for monitoring repeat mode of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 4.0
  *
@@ -580,11 +592,12 @@ int mc_client_unset_shuffle_mode_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_repeat_mode_updated_cb()
+ * @see mc_server_update_repeat_mode()
  */
 int mc_client_set_repeat_mode_updated_cb(mc_client_h client, mc_repeat_mode_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring repeat mode of the media controller server.
+ * @brief Unsets the callback for monitoring repeat mode of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -606,7 +619,7 @@ int mc_client_set_repeat_mode_updated_cb(mc_client_h client, mc_repeat_mode_upda
 int mc_client_unset_repeat_mode_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring the playback ability of the media controller server.
+ * @brief Sets the callback for monitoring the playback ability of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 5.0
  *
@@ -628,11 +641,12 @@ int mc_client_unset_repeat_mode_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_playback_ability_updated_cb()
+ * @see mc_server_update_playback_ability()
  */
 int mc_client_set_playback_ability_updated_cb(mc_client_h client, mc_playback_ability_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring the playback ability of the media controller server.
+ * @brief Unsets the callback for monitoring the playback ability of media controller servers.
  * @since_tizen 5.0
  *
  * @privlevel public
@@ -693,6 +707,7 @@ int mc_client_unset_playback_ability_updated_cb(mc_client_h client);
  * @see mc_client_set_playback_ability_updated_cb()
  * @see mc_client_set_display_mode_ability_updated_cb()
  * @see mc_client_set_display_rotation_ability_updated_cb()
+ * @see mc_server_set_ability_support()
  */
 int mc_client_set_ability_support_updated_cb(mc_client_h client, mc_ability_support_updated_cb callback, void *user_data);
 
@@ -737,7 +752,7 @@ int mc_client_set_ability_support_updated_cb(mc_client_h client, mc_ability_supp
 int mc_client_unset_ability_support_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring the display mode ability of the media controller server.
+ * @brief Sets the callback for monitoring the display mode ability of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 5.5
  *
@@ -759,11 +774,12 @@ int mc_client_unset_ability_support_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_display_mode_ability_updated_cb()
+ * @see mc_server_set_display_mode_ability()
  */
 int mc_client_set_display_mode_ability_updated_cb(mc_client_h client, mc_ability_supported_items_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring the display mode ability of the media controller server.
+ * @brief Unsets the callback for monitoring the display mode ability of media controller servers.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -785,7 +801,7 @@ int mc_client_set_display_mode_ability_updated_cb(mc_client_h client, mc_ability
 int mc_client_unset_display_mode_ability_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring the display rotation ability of the media controller server.
+ * @brief Sets the callback for monitoring the display rotation ability of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 5.5
  *
@@ -807,11 +823,12 @@ int mc_client_unset_display_mode_ability_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_display_rotation_ability_updated_cb()
+ * @see mc_server_set_display_rotation_ability()
  */
 int mc_client_set_display_rotation_ability_updated_cb(mc_client_h client, mc_ability_supported_items_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring the display rotation ability of the media controller server.
+ * @brief Unsets the callback for monitoring the display rotation ability of media controller servers.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -833,7 +850,7 @@ int mc_client_set_display_rotation_ability_updated_cb(mc_client_h client, mc_abi
 int mc_client_unset_display_rotation_ability_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for receiving the result of the command from the media controller server.
+ * @brief Sets the callback for receiving the result of the command from the media controller servers.
  * @details The media controller client which calls this function will receives the result of the command from all media controller servers.
  * @since_tizen 4.0
  *
@@ -853,13 +870,14 @@ int mc_client_unset_display_rotation_ability_updated_cb(mc_client_h client);
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
- * @see mc_client_unset_cmd_reply_received_cb()
  * @see mc_client_destroy()
+ * @see mc_client_unset_cmd_reply_received_cb()
+ * @see mc_server_send_cmd_reply()
  */
 int mc_client_set_cmd_reply_received_cb(mc_client_h client, mc_cmd_reply_received_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for receiving common reply of the media controller server.
+ * @brief Unsets the callback for receiving common reply of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -875,13 +893,13 @@ int mc_client_set_cmd_reply_received_cb(mc_client_h client, mc_cmd_reply_receive
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
- * @see mc_client_set_cmd_reply_received_cb()
  * @see mc_client_destroy()
+ * @see mc_client_set_cmd_reply_received_cb()
  */
 int mc_client_unset_cmd_reply_received_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for monitoring playlist status of the media controller server.
+ * @brief Sets the callback for monitoring playlist status of media controller servers.
  * @details The media controller client which calls this function will receive notifications from all media controller servers.
  * @since_tizen 4.0
  *
@@ -904,11 +922,13 @@ int mc_client_unset_cmd_reply_received_cb(mc_client_h client);
  * @see mc_client_destroy()
  * @see mc_playlist_updated_cb()
  * @see mc_client_unset_playlist_updated_cb()
+ * @see mc_server_update_playlist_done()
+ * @see mc_server_delete_playlist()
  */
 int mc_client_set_playlist_updated_cb(mc_client_h client, mc_playlist_updated_cb callback, void *user_data);
 
 /**
- * @brief Unsets the callback for monitoring playlist status of the media controller server.
+ * @brief Unsets the callback for monitoring playlist status of media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -952,6 +972,7 @@ int mc_client_unset_playlist_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_subtitles_updated_cb()
+ * @see mc_server_update_subtitles_enabled()
  */
 int mc_client_set_subtitles_updated_cb(mc_client_h client, mc_bool_attribute_updated_cb callback, void *user_data);
 
@@ -1001,6 +1022,7 @@ int mc_client_unset_subtitles_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_360_mode_updated_cb()
+ * @see mc_server_update_360_mode_enabled()
  */
 int mc_client_set_360_mode_updated_cb(mc_client_h client, mc_bool_attribute_updated_cb callback, void *user_data);
 
@@ -1050,6 +1072,7 @@ int mc_client_unset_360_mode_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_display_mode_updated_cb()
+ * @see mc_server_update_display_mode()
  */
 int mc_client_set_display_mode_updated_cb(mc_client_h client, mc_display_mode_updated_cb callback, void *user_data);
 
@@ -1099,6 +1122,7 @@ int mc_client_unset_display_mode_updated_cb(mc_client_h client);
  * @see mc_client_create()
  * @see mc_client_destroy()
  * @see mc_client_unset_display_rotation_updated_cb()
+ * @see mc_server_update_display_rotation()
  */
 int mc_client_set_display_rotation_updated_cb(mc_client_h client, mc_display_rotation_updated_cb callback, void *user_data);
 
@@ -1126,12 +1150,14 @@ int mc_client_set_display_rotation_updated_cb(mc_client_h client, mc_display_rot
 int mc_client_unset_display_rotation_updated_cb(mc_client_h client);
 
 /**
- * @brief Sets the callback for receiving the custom event from a media controller server.
+ * @brief Sets the callback for receiving the custom event from a media controller servers.
  * @since_tizen 4.0
  *
  * @privlevel public
  * @privilege %http://tizen.org/privilege/mediacontroller.client
  *
+ * @remarks If client need to reply to the result of the event, use mc_client_send_event_reply()
+ *
  * @param[in] client    The handle to media controller client
  * @param[in] callback      The callback to be invoked when the media controller client receives custom event from a media controller server
  * @param[in] user_data   The user data to be passed to the callback function
@@ -1149,6 +1175,7 @@ int mc_client_unset_display_rotation_updated_cb(mc_client_h client);
  * @see mc_client_unset_custom_event_received_cb()
  * @see mc_client_send_event_reply()
  * @see mc_client_destroy()
+ * @see mc_server_send_custom_event()
  */
 int mc_client_set_custom_event_received_cb(mc_client_h client, mc_client_custom_event_received_cb callback, void *user_data);
 
@@ -1201,10 +1228,12 @@ int mc_client_unset_custom_event_received_cb(mc_client_h client);
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
  * @pre Create a media controller server handle by calling mc_server_create().
+ * @pre Receive event from media controller servers through mc_client_set_custom_event_received_cb().
  * @see mc_client_create()
  * @see mc_client_set_custom_event_received_cb()
  * @see mc_client_unset_custom_event_received_cb()
  * @see mc_client_destroy()
+ * @see mc_server_set_event_reply_received_cb()
  */
 int mc_client_send_event_reply(mc_client_h client, const char *server_name, const char *request_id, int result_code, bundle *data);
 
@@ -1292,6 +1321,7 @@ int mc_client_unsubscribe(mc_client_h client, mc_subscription_type_e subscriptio
  * @pre Subscribe the media controller server for monitoring status by calling mc_client_subscribe()
  * @see mc_client_create()
  * @see mc_client_subscribe()
+ * @see mc_client_unsubscribe()
  */
 int mc_client_foreach_server_subscribed(mc_client_h client, mc_subscription_type_e subscription_type, mc_subscribed_server_cb callback, void *user_data);
 
@@ -1363,7 +1393,6 @@ int mc_client_get_playback_position(mc_playback_h playback, unsigned long long *
  */
 int mc_client_get_playlist_item_info(mc_playback_h playback, char **playlist_name, char **index);
 
-
 /**
  * @brief Gets the playback content type.
  * @details Gets the content type of the current playing media. If there is no content type info, result value is #MC_CONTENT_TYPE_UNDECIDED.
@@ -1423,7 +1452,7 @@ int mc_client_get_age_rating(mc_playback_h playback, mc_content_age_rating_e *ag
 int mc_client_destroy_playback(mc_playback_h playback);
 
 /**
- * @brief Gets the latest media controller server info.
+ * @brief Gets the last activated media controller server info, even if the server is currently deactivated.
  * @details The media controller client will get the most recently updated information by the server.
  *
  * @since_tizen 2.4
@@ -1447,12 +1476,17 @@ int mc_client_destroy_playback(mc_playback_h playback);
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
+ *
+ * @pre Create a media controller client handle by calling mc_client_create().
+ * @see mc_client_create()
+ * @see mc_client_destroy()
  */
 int mc_client_get_latest_server_info(mc_client_h client, char **server_name, mc_server_state_e *server_state);
 
 /**
- * @brief Gets the latest playback info.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest playback info of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -1471,12 +1505,18 @@ int mc_client_get_latest_server_info(mc_client_h client, char **server_name, mc_
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
+ *
+ * @pre Create a media controller client handle by calling mc_client_create().
+ * @see mc_client_create()
+ * @see mc_client_destroy()
+ * @see mc_server_update_playback_info()
  */
 int mc_client_get_server_playback_info(mc_client_h client, const char *server_name, mc_playback_h *playback);
 
 /**
- * @brief Gets the latest metadata.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest metadata of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -1495,12 +1535,19 @@ int mc_client_get_server_playback_info(mc_client_h client, const char *server_na
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
+ *
+ * @pre Create a media controller client handle by calling mc_client_create().
+ * @see mc_client_create()
+ * @see mc_client_destroy()
+ * @see mc_server_update_metadata()
+ * @see mc_metadata_get()
  */
 int mc_client_get_server_metadata(mc_client_h client, const char *server_name, mc_metadata_h *metadata);
 
 /**
- * @brief Gets the latest shuffle mode.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest shuffle mode of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -1516,12 +1563,18 @@ int mc_client_get_server_metadata(mc_client_h client, const char *server_name, m
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_PERMISSION_DENIED Permission denied
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
+ *
+ * @pre Create a media controller client handle by calling mc_client_create().
+ * @see mc_client_create()
+ * @see mc_client_destroy()
+ * @see mc_server_update_shuffle_mode()
  */
 int mc_client_get_server_shuffle_mode(mc_client_h client, const char *server_name, mc_shuffle_mode_e *mode);
 
 /**
- * @brief Gets the latest repeat mode.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest repeat mode of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -1537,11 +1590,18 @@ int mc_client_get_server_shuffle_mode(mc_client_h client, const char *server_nam
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_PERMISSION_DENIED Permission denied
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
+ *
+ * @pre Create a media controller client handle by calling mc_client_create().
+ * @see mc_client_create()
+ * @see mc_client_destroy()
+ * @see mc_server_update_repeat_mode()
  */
 int mc_client_get_server_repeat_mode(mc_client_h client, const char *server_name, mc_repeat_mode_e *mode);
 
 /**
- * @brief Gets the icon URI of the media controller server.
+ * @brief Gets the latest icon URI of the media controller server.
+ * @details The media controller client will get the icon URI of activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.0
  *
  * @privlevel public
@@ -1564,12 +1624,14 @@ int mc_client_get_server_repeat_mode(mc_client_h client, const char *server_name
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
  * @see mc_client_destroy()
+ * @see mc_server_set_icon()
  */
 int mc_client_get_server_icon(mc_client_h client, const char *server_name, char **uri);
 
 /**
- * @brief Gets the latest subtitles display status.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest subtitles display status of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1589,12 +1651,14 @@ int mc_client_get_server_icon(mc_client_h client, const char *server_name, char
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
  * @see mc_client_destroy()
+ * @see mc_server_update_subtitles_enabled()
  */
 int mc_client_get_server_subtitles_enabled(mc_client_h client, const char *server_name, bool *enabled);
 
 /**
- * @brief Gets the latest 360 mode display status.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest 360 mode display status of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1614,12 +1678,14 @@ int mc_client_get_server_subtitles_enabled(mc_client_h client, const char *serve
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
  * @see mc_client_destroy()
+ * @see mc_server_update_360_mode_enabled()
  */
 int mc_client_get_server_360_mode_enabled(mc_client_h client, const char *server_name, bool *enabled);
 
 /**
- * @brief Gets the latest display mode.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest display mode of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1641,12 +1707,14 @@ int mc_client_get_server_360_mode_enabled(mc_client_h client, const char *server
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
  * @see mc_client_destroy()
+ * @see mc_server_update_display_mode()
  */
 int mc_client_get_server_display_mode(mc_client_h client, const char *server_name, mc_display_mode_e *mode);
 
 /**
- * @brief Gets the latest display rotation.
- * @details The media controller client will get the most recently updated information from @a server_name.
+ * @brief Gets the latest display rotation of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1668,19 +1736,22 @@ int mc_client_get_server_display_mode(mc_client_h client, const char *server_nam
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
  * @see mc_client_destroy()
+ * @see mc_server_update_display_rotation()
  */
 int mc_client_get_server_display_rotation(mc_client_h client, const char *server_name, mc_display_rotation_e *rotation);
 
 
 /**
- * @brief Gets the playback ability of the media controller server.
+ * @brief Gets the latest playback ability of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.0
  *
  * @privlevel public
  * @privilege %http://tizen.org/privilege/mediacontroller.client
  *
  * @remarks The @a ability should be released using mc_playback_ability_destroy().\n
- *              If the media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_UNDECIDED.\n
+ *              If the latest media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_UNDECIDED.\n
  *
  * @param[in] client The handle of the media controller client
  * @param[in] server_name    The app_id of the media controller server
@@ -1700,11 +1771,15 @@ int mc_client_get_server_display_rotation(mc_client_h client, const char *server
  * @see mc_client_get_latest_server_info()
  * @see mc_client_foreach_server()
  * @see mc_playback_action_is_supported()
+ * @see mc_playback_ability_destroy()
+ * @see mc_server_update_playback_ability()
  */
 int mc_client_get_server_playback_ability(mc_client_h client, const char *server_name, mc_playback_ability_h *ability);
 
 /**
- * @brief Gets the ability support of the media controller server.
+ * @brief Gets the latest ability support of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1712,7 +1787,7 @@ int mc_client_get_server_playback_ability(mc_client_h client, const char *server
  *
  * @remarks If the server's ability support is not set, the result value is #MC_ABILITY_SUPPORTED_UNDECIDED. \n
  *              It means you can send the corresponding command to the server, but it's not guaranteed that the server can handle it. \n
- *              If the media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_UNDECIDED.
+ *              If the latest media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_UNDECIDED.
  *
  * @param[in] client The handle of the media controller client
  * @param[in] server_name    The app_id of the media controller server
@@ -1735,18 +1810,21 @@ int mc_client_get_server_playback_ability(mc_client_h client, const char *server
  * @see mc_client_get_server_playback_ability()
  * @see mc_client_get_server_display_mode_ability()
  * @see mc_client_get_server_display_rotation_ability()
+ * @see mc_server_set_ability_support()
  */
 int mc_client_get_server_ability_support(mc_client_h client, const char *server_name, mc_ability_e ability, mc_ability_support_e *support);
 
 /**
- * @brief Gets the supported display mode of the updated media controller server.
+ * @brief Gets the latest supported display mode of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
  * @privilege %http://tizen.org/privilege/mediacontroller.client
  *
  * @remarks If a display mode is not present in the @a supported_modes, then the server's support for this mode is #MC_ABILITY_SUPPORTED_NO and you can't send the corresponding command to the server. \n
- *              If the media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_NO.
+ *              If the latest media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_NO.
  *
  * @param[in] client The handle of the media controller client
  * @param[in] server_name    The app_id of the media controller server
@@ -1768,18 +1846,21 @@ int mc_client_get_server_ability_support(mc_client_h client, const char *server_
  * @see mc_client_get_server_playback_ability()
  * @see mc_client_get_server_ability_support()
  * @see mc_client_get_server_display_rotation_ability()
+ * @see mc_server_set_display_mode_ability()
  */
 int mc_client_get_server_display_mode_ability(mc_client_h client, const char *server_name, unsigned int *supported_modes);
 
 /**
- * @brief Gets the supported display rotation of the updated media controller server.
+ * @brief Gets the latest supported display rotation of the media controller server.
+ * @details The media controller client will get the most recently updated information from activated @a server_name. \n
+ *          But if @a server_name is the latest server, client will get the information even though the server is deactivated.
  * @since_tizen 5.5
  *
  * @privlevel public
  * @privilege %http://tizen.org/privilege/mediacontroller.client
  *
  * @remarks If a display rotation is not present in the @a supported_rotations, then the server's support for this mode is #MC_ABILITY_SUPPORTED_NO and you can't send the corresponding command to the server. \n
- *              If the media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_NO.
+ *              If the latest media controller server is deactivated, this function will return #MC_ABILITY_SUPPORTED_NO.
  *
  * @param[in] client The handle of the media controller client
  * @param[in] server_name    The app_id of the media controller server
@@ -1801,11 +1882,12 @@ int mc_client_get_server_display_mode_ability(mc_client_h client, const char *se
  * @see mc_client_get_server_playback_ability()
  * @see mc_client_get_server_ability_support()
  * @see mc_client_get_server_display_mode_ability()
+ * @see mc_server_set_display_rotation_ability()
  */
 int mc_client_get_server_display_rotation_ability(mc_client_h client, const char *server_name, unsigned int *supported_rotations);
 
 /**
- * @brief Retrieves all created servers.
+ * @brief Retrieves all activated servers.
  * @details This function gets all created media controller servers.
  *          The callback function will be invoked for every created media controller server.
  *          If there are no media controller servers, the callback will not be invoked.
@@ -1827,6 +1909,8 @@ int mc_client_get_server_display_rotation_ability(mc_client_h client, const char
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
+ * @see mc_server_create()
  */
 int mc_client_foreach_server(mc_client_h client, mc_activated_server_cb callback, void *user_data);
 
@@ -1856,8 +1940,10 @@ int mc_client_foreach_server(mc_client_h client, mc_activated_server_cb callback
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_get_server_playback_info()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_playback_action_cmd_received_cb()
  */
 int mc_client_send_playback_action_cmd(mc_client_h client, const char *server_name, mc_playback_action_e action, char **request_id);
 
@@ -1887,8 +1973,10 @@ int mc_client_send_playback_action_cmd(mc_client_h client, const char *server_na
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_get_server_playback_info()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_playback_position_cmd_received_cb()
  */
 int mc_client_send_playback_position_cmd(mc_client_h client, const char *server_name, unsigned long long position, char **request_id);
 
@@ -1918,8 +2006,10 @@ int mc_client_send_playback_position_cmd(mc_client_h client, const char *server_
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_get_server_playback_info()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_shuffle_mode_cmd_received_cb()
  */
 int mc_client_send_shuffle_mode_cmd(mc_client_h client, const char *server_name, mc_shuffle_mode_e shuffle_mode, char **request_id);
 
@@ -1949,8 +2039,10 @@ int mc_client_send_shuffle_mode_cmd(mc_client_h client, const char *server_name,
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_get_server_playback_info()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_repeat_mode_cmd_received_cb()
  */
 int mc_client_send_repeat_mode_cmd(mc_client_h client, const char *server_name, mc_repeat_mode_e repeat_mode, char **request_id);
 
@@ -1984,7 +2076,9 @@ int mc_client_send_repeat_mode_cmd(mc_client_h client, const char *server_name,
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_playlist_cmd_received_cb()
  */
 int mc_client_send_playlist_cmd(mc_client_h client, const char *server_name, const char *playlist_name, const char *index, mc_playback_action_e action, unsigned long long position, char **request_id);
 
@@ -2016,7 +2110,9 @@ int mc_client_send_playlist_cmd(mc_client_h client, const char *server_name, con
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_custom_cmd_received_cb()
  */
 int mc_client_send_custom_cmd(mc_client_h client, const char *server_name, const char *command, bundle *data, char **request_id);
 
@@ -2048,9 +2144,11 @@ int mc_client_send_custom_cmd(mc_client_h client, const char *server_name, const
  * @pre Create a media controller client handle by calling mc_client_create().
  * @pre Create search handle and set data by calling mc_search_create() and mc_search_set_condition().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
  * @see mc_search_create()
  * @see mc_search_set_condition()
+ * @see mc_server_set_search_cmd_received_cb()
  */
 int mc_client_send_search_cmd(mc_client_h client, const char *server_name, mc_search_h search, char **request_id);
 
@@ -2081,7 +2179,9 @@ int mc_client_send_search_cmd(mc_client_h client, const char *server_name, mc_se
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_subtitles_cmd_received_cb()
  */
 int mc_client_send_subtitles_cmd(mc_client_h client, const char *server_name, bool enable, char **request_id);
 
@@ -2112,7 +2212,9 @@ int mc_client_send_subtitles_cmd(mc_client_h client, const char *server_name, bo
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_360_mode_cmd_received_cb()
  */
 int mc_client_send_360_mode_cmd(mc_client_h client, const char *server_name, bool enable, char **request_id);
 
@@ -2143,7 +2245,9 @@ int mc_client_send_360_mode_cmd(mc_client_h client, const char *server_name, boo
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_display_mode_cmd_received_cb()
  */
 int mc_client_send_display_mode_cmd(mc_client_h client, const char *server_name, mc_display_mode_e mode, char **request_id);
 
@@ -2174,7 +2278,9 @@ int mc_client_send_display_mode_cmd(mc_client_h client, const char *server_name,
  *
  * @pre Create a media controller client handle by calling mc_client_create().
  * @see mc_client_create()
+ * @see mc_client_destroy()
  * @see mc_client_set_cmd_reply_received_cb()
+ * @see mc_server_set_display_rotation_cmd_received_cb()
  */
 int mc_client_send_display_rotation_cmd(mc_client_h client, const char *server_name, mc_display_rotation_e rotation, char **request_id);
 
diff --git a/include/media_controller_metadata.h b/include/media_controller_metadata.h
index fe4f98b..0eeeced 100644
--- a/include/media_controller_metadata.h
+++ b/include/media_controller_metadata.h
@@ -97,10 +97,10 @@ int mc_metadata_destroy(mc_metadata_h metadata);
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
- * @pre Sets mc_client_set_metadata_updated_cb() function to get the metadata if you are media controller client. \n
+ * @pre Call mc_client_set_metadata_updated_cb() or mc_client_get_server_metadata() function to get the metadata if you are media controller client. \n
  *         and also you can use this function when get the metadata when callback function invoked in mc_playlist_foreach_item().
- *
  * @see mc_client_set_metadata_updated_cb()
+ * @see mc_client_get_server_metadata()
  * @see mc_playlist_foreach_item()
  */
 int mc_metadata_get(mc_metadata_h metadata, mc_meta_e attribute, char **value);
@@ -298,6 +298,8 @@ int mc_metadata_decode_resolution(const char *encoded_resolution, unsigned int *
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
+ * @pre Call the mc_client_set_playback_ability_updated_cb() or mc_client_get_server_playback_ability() function to get the ability if you are media controller client.
+ *
  * @see mc_playback_ability_destroy()
  */
 int mc_playback_ability_clone(mc_playback_ability_h src, mc_playback_ability_h *dst);
@@ -318,6 +320,8 @@ int mc_playback_ability_clone(mc_playback_ability_h src, mc_playback_ability_h *
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  *
+ * @pre Call the mc_client_set_playback_ability_updated_cb() or mc_client_get_server_playback_ability() function to get the ability if you are media controller client.
+ *
  * @see mc_playback_ability_clone()
  */
 int mc_playback_ability_destroy(mc_playback_ability_h ability);
@@ -339,7 +343,7 @@ int mc_playback_ability_destroy(mc_playback_ability_h ability);
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
- * @pre Call the mc_client_set_playback_ability_updated_cb() function to get the ability if you are the media controller client.
+ * @pre Call the mc_client_set_playback_ability_updated_cb() or mc_client_get_server_playback_ability() function to get the ability if you are media controller client.
  *
  * @see mc_client_set_playback_ability_updated_cb()
  * @see mc_client_get_server_playback_ability()
@@ -391,8 +395,12 @@ typedef bool (*mc_search_condition_cb)(mc_content_type_e content_type, mc_search
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
+ *
  * @see mc_search_set_condition()
  * @see mc_search_foreach_condition()
+ * @see mc_client_send_search_cmd()
+ * @see mc_server_search_cmd_received_cb()
+ * @see mc_server_set_search_cmd_received_cb()
  */
 int mc_search_create(mc_search_h *search);
 
@@ -412,7 +420,8 @@ int mc_search_create(mc_search_h *search);
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
- * @pre mc_search_create()
+ *
+ * @pre Call the mc_search_create() function to create handle if you are media controller client.
  * @see mc_search_foreach_condition()
  */
 int mc_search_set_condition(mc_search_h search, mc_content_type_e content_type, mc_search_category_e category, const char *search_keyword, bundle *data);
@@ -426,6 +435,7 @@ int mc_search_set_condition(mc_search_h search, mc_content_type_e content_type,
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
+ *
  * @pre Create a media controller search handle by calling mc_search_create().
  * @see mc_search_create()
  */
@@ -467,10 +477,11 @@ int mc_search_get_condition_count(mc_search_h search, int *condition_count);
  * @retval #MEDIA_CONTROLLER_ERROR_NONE Successful
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  *
- * @pre Create a media controller search handle by calling mc_search_create().
- * @pre Set the search conditions by calling mc_search_set_condition().
+ * @pre Create a media controller search handle by calling mc_search_create() and set the search conditions by calling mc_search_set_condition() if you are media controller client.
+ * @pre Receive search command from the media controller client by calling mc_server_search_cmd_received_cb() if you are media controller server.
  * @see mc_search_create()
  * @see mc_search_set_condition()
+ * @see mc_server_search_cmd_received_cb()
  */
 int mc_search_foreach_condition(mc_search_h search, mc_search_condition_cb callback, void *user_data);
 
@@ -494,6 +505,7 @@ int mc_search_foreach_condition(mc_search_h search, mc_search_condition_cb callb
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
  * @see mc_search_destroy()
+ * @see mc_server_search_cmd_received_cb()
  */
 int mc_search_clone(mc_search_h src, mc_search_h *dst);
 
diff --git a/include/media_controller_playlist.h b/include/media_controller_playlist.h
index e1cf945..49120a4 100644
--- a/include/media_controller_playlist.h
+++ b/include/media_controller_playlist.h
@@ -43,7 +43,7 @@ extern "C" {
  *              To use the @a playlist outside this function, copy the handle with the mc_playlist_clone() function. \n
  *               The callback is called in the main loop.
  *
- * @param[in] playlist        The handle of the media controller playlist.
+ * @param[in] playlist        The handle of the media controller playlist
  * @param[in] user_data The user data passed from the foreach function
  *
  * @return @c true to continue with the next iteration of the loop,
@@ -68,8 +68,8 @@ typedef bool (*mc_playlist_cb)(mc_playlist_h playlist, void *user_data);
  *               And @a metadata also can be used only in the callback. To use outside, make a copy with the mc_metadata_clone() function. \n
  *               The callback is called in the main loop.
  *
- * @param[in] index The ID of the playlist member.
- * @param[in] metadata The handle to metadata of the playlist item.
+ * @param[in] index The ID of the playlist member
+ * @param[in] metadata The handle to metadata of the playlist item
  * @param[in] user_data The user data passed from the foreach function
  *
  * @return @c true to continue with the next iteration of the loop,
@@ -99,10 +99,12 @@ typedef bool (*mc_playlist_item_cb)(const char *index, mc_metadata_h metadata, v
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
- * @pre The playlist handle should be received by calling mc_playlist_foreach_playlist() or mc_playlist_get_playlist().
+ * @pre The playlist handle should be received by calling mc_playlist_foreach_playlist(), mc_playlist_get_playlist() or mc_playlist_updated_cb().
  *
  * @see mc_playlist_foreach_playlist()
  * @see mc_playlist_get_playlist()
+ * @see mc_playlist_updated_cb()
+ * @see mc_client_set_playlist_updated_cb()
  * @see mc_playlist_destroy()
  */
 int mc_playlist_get_name(mc_playlist_h playlist, char **playlist_name);
@@ -112,7 +114,7 @@ int mc_playlist_get_name(mc_playlist_h playlist, char **playlist_name);
  * @since_tizen 5.5
  *
  * @param[in] playlist        The handle of the media controller playlist
- * @param[out] item_count      The number of media items.
+ * @param[out] item_count      The number of media items
  *
  * @return @c 0 on success,
  *         otherwise a negative error value
@@ -121,10 +123,12 @@ int mc_playlist_get_name(mc_playlist_h playlist, char **playlist_name);
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
  *
- * @pre The playlist handle should be received by calling mc_playlist_foreach_playlist() or mc_playlist_get_playlist().
+ * @pre The playlist handle should be received by calling mc_playlist_foreach_playlist(), mc_playlist_get_playlist() or mc_playlist_updated_cb().
  *
  * @see mc_playlist_foreach_playlist()
  * @see mc_playlist_get_playlist()
+ * @see mc_playlist_updated_cb()
+ * @see mc_client_set_playlist_updated_cb()
  * @see mc_playlist_destroy()
  */
 int mc_playlist_get_item_count(mc_playlist_h playlist, int *item_count);
@@ -148,11 +152,13 @@ int mc_playlist_get_item_count(mc_playlist_h playlist, int *item_count);
  * @retval #MEDIA_CONTROLLER_ERROR_INVALID_OPERATION Invalid operation
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
- * @pre The playlist handle should be received by calling mc_playlist_foreach_playlist() or mc_playlist_get_playlist().
+ * @pre The playlist handle should be received by calling mc_playlist_foreach_playlist(), mc_playlist_get_playlist() or mc_playlist_updated_cb().
  * @post This function invokes mc_playlist_item_cb().
  *
  * @see mc_playlist_foreach_playlist()
  * @see mc_playlist_get_playlist()
+ * @see mc_playlist_updated_cb()
+ * @see mc_client_set_playlist_updated_cb()
  * @see mc_playlist_item_cb()
  * @see mc_playlist_destroy()
  */
@@ -172,7 +178,7 @@ int mc_playlist_foreach_item(mc_playlist_h playlist, mc_playlist_item_cb callbac
  *              You must add privilege %http://tizen.org/privilege/mediacontroller.client, if your application is a media controller client.
  *
  * @param[in] app_id                The app_id of the media controller server
- * @param[out] playlist_count      The number of playlists that the media controller server has.
+ * @param[out] playlist_count      The number of playlists that the media controller server has
  *
  * @return @c 0 on success,
  *         otherwise a negative error value
diff --git a/include/media_controller_server.h b/include/media_controller_server.h
index e6d9c82..9ed268c 100644
--- a/include/media_controller_server.h
+++ b/include/media_controller_server.h
@@ -30,7 +30,8 @@ extern "C" {
 /**
  * @file media_controller_server.h
  * @brief This file contains the media controller server API and functions related with handling media controller server. \n
- *        Functions include operations to send the latest status of the server to client.
+ *        Functions include operations to send the latest status of the server to clients.
+ *        It also includes functions that can process commands received from clients.
  */
 
 /**
@@ -43,7 +44,7 @@ extern "C" {
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id. \n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply(). \n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -64,7 +65,7 @@ typedef void (*mc_server_playback_action_cmd_received_cb)(const char* client_nam
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -85,7 +86,7 @@ typedef void (*mc_server_playback_position_cmd_received_cb)(const char* client_n
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -106,7 +107,7 @@ typedef void (*mc_server_shuffle_mode_cmd_received_cb)(const char* client_name,
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -127,7 +128,7 @@ typedef void (*mc_server_repeat_mode_cmd_received_cb)(const char* client_name, c
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop. \n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name, @a request_id, @a playlist_name and @a index should not be released by the application. \n
  *          The @a client_name, @a request_id, @a playlist_name and @a index can be used only in the callback. To use outside, make a copy.
  *
@@ -148,12 +149,10 @@ typedef void (*mc_server_playlist_cmd_received_cb)(const char* client_name, cons
 
 /**
  * @brief Called when the Server receives custom command from the client.
- * @details This callback is called when server receives custom command from client.
- *                If you want to reply to the command, call mc_server_send_cmd_reply() function.
  * @since_tizen 4.0
  *
  * @remarks The callback is called in the dbus event loop. @a data should be released using bundle_free().\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name, @a request_id and @a command should not be released by the application. \n
  *          The @a client_name, @a request_id and @a command can be used only in the callback. To use outside, make a copy.
  *
@@ -216,12 +215,10 @@ typedef void (*mc_server_event_reply_received_cb)(const char *client_name, const
 
 /**
  * @brief Called when the Server receives search command from the client.
- * @details This callback is called when server receives search command from client.
- *                If you want to reply to the command, call mc_server_send_cmd_reply() function.
  * @since_tizen 5.0
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name, @a request_id and @a search should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.\n
  *          @a search also can be used only in the callback. To use outside, make a copy using mc_search_clone().
@@ -245,7 +242,7 @@ typedef void (*mc_server_search_cmd_received_cb)(const char *client_name, const
  * @since_tizen 5.5
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -267,7 +264,7 @@ typedef void (*mc_server_enable_cmd_received_cb)(const char* client_name, const
  * @since_tizen 5.5
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -288,7 +285,7 @@ typedef void (*mc_server_display_mode_cmd_received_cb)(const char* client_name,
  * @since_tizen 5.5
  *
  * @remarks The callback is called in the dbus event loop.\n
- *          If @a request_id is not null, the server should send the reply to the client with the @a request_id.\n
+ *          If @a request_id is not null, the server should send the reply to the media controller client with the @a request_id by using mc_server_send_cmd_reply().\n
  *          The @a client_name and @a request_id should not be released by the application. \n
  *          The @a client_name and @a request_id can be used only in the callback. To use outside, make a copy.
  *
@@ -306,6 +303,7 @@ typedef void (*mc_server_display_rotation_cmd_received_cb)(const char* client_na
 
 /**
  * @brief Creates a media controller server.
+ * @details If this function is called, the server information with #MC_SERVER_STATE_ACTIVATE will be sent to media controller clients who set callback by using mc_client_set_server_updated_cb().
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -323,6 +321,7 @@ typedef void (*mc_server_display_rotation_cmd_received_cb)(const char* client_na
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
  * @see mc_server_destroy()
+ * @see mc_client_set_server_updated_cb()
  */
 int mc_server_create(mc_server_h *server);
 
@@ -378,7 +377,7 @@ int mc_server_set_playback_position(mc_server_h server, unsigned long long posit
 
 /**
  * @brief Sets the playlist name and index of the current playing media in the playlist to update the latest playback info.
- * @details If a media controller server has a playlist, the server can register and share it with media controller client.
+ * @details If a media controller server has a playlist, the server can register and share it with media controller clients.
  *            A playlist is a set of "index" and "media metadata".\n
  *            The media controller server can let media controller clients know the playlist name and index of current playing media by using this function.
  * @since_tizen 5.0
@@ -408,7 +407,6 @@ int mc_server_set_playlist_item_info(mc_server_h server, const char *playlist_na
 
 /**
  * @brief Sets the playback content type to update the latest playback info.
- * @details If this function is called, the updated content type information will be sent to all clients.
  * @since_tizen 5.0
  *
  * @privlevel public
@@ -436,7 +434,7 @@ int mc_server_set_playback_content_type(mc_server_h server, mc_content_type_e co
 
 /**
  * @brief Sets the content age rating to update the latest playback info.
- * @details If this function is called, the updated age rating information will be sent to all clients. Default value is #MC_CONTENT_RATING_ALL.
+ * @details Default value is #MC_CONTENT_RATING_ALL.
  * @since_tizen 5.0
  *
  * @privlevel public
@@ -462,7 +460,7 @@ int mc_server_set_content_age_rating(mc_server_h server, mc_content_age_rating_e
 
 /**
  * @brief Updates the modified playback info.
- * @details If this function is called, the updated playback information will be sent to the controller.
+ * @details If this function is called, the updated playback information will be sent to media controller clients who set callback by using mc_client_set_playback_updated_cb().
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -480,6 +478,12 @@ int mc_server_set_content_age_rating(mc_server_h server, mc_content_age_rating_e
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_server_set_playback_state()
+ * @see mc_server_set_playback_position()
+ * @see mc_server_set_playlist_item_info()
+ * @see mc_server_set_playback_content_type()
+ * @see mc_server_set_content_age_rating()
+ * @see mc_client_set_playback_updated_cb()
  */
 int mc_server_update_playback_info(mc_server_h server);
 
@@ -511,7 +515,7 @@ int mc_server_set_metadata(mc_server_h server, mc_meta_e attribute, const char *
 
 /**
  * @brief Updates the modified metadata info.
- * @details If this function is called, the updated metadata will be sent to all clients.
+ * @details If this function is called, the updated metadata will be sent to media controller clients who set callback by using mc_client_set_metadata_updated_cb().
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -527,14 +531,17 @@ int mc_server_set_metadata(mc_server_h server, mc_meta_e attribute, const char *
  * @retval #MEDIA_CONTROLLER_ERROR_OUT_OF_MEMORY Out of memory
  *
  * @pre Create a media controller server handle by calling mc_server_create().
+ * @pre Set metadata by calling mc_server_set_metadata().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_server_set_metadata()
+ * @see mc_client_set_metadata_updated_cb()
  */
 int mc_server_update_metadata(mc_server_h server);
 
 /**
  * @brief Updates the modified shuffle mode.
- * @details If this function is called, the updated mode information will be sent to all clients.
+ * @details If this function is called, the updated mode information will be sent to media controller clients who set callback by using mc_client_set_shuffle_mode_updated_cb().
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -553,12 +560,13 @@ int mc_server_update_metadata(mc_server_h server);
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_shuffle_mode_updated_cb()
  */
 int mc_server_update_shuffle_mode(mc_server_h server, mc_shuffle_mode_e mode);
 
 /**
  * @brief Updates the modified repeat mode.
- * @details If this function is called, the updated mode information will be sent to all clients.
+ * @details If this function is called, the updated mode information will be sent to media controller clients who set callback by using mc_client_set_repeat_mode_updated_cb().
  * @since_tizen 2.4
  *
  * @privlevel public
@@ -577,12 +585,13 @@ int mc_server_update_shuffle_mode(mc_server_h server, mc_shuffle_mode_e mode);
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_repeat_mode_updated_cb()
  */
 int mc_server_update_repeat_mode(mc_server_h server, mc_repeat_mode_e mode);
 
 /**
  * @brief Updates the modified subtitles display status.
- * @details If this function is called, the updated subtitles display status will be sent to all clients.
+ * @details If this function is called, the updated subtitles display status will be sent to media controller clients who set callback by using mc_client_set_subtitles_updated_cb().
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -603,12 +612,13 @@ int mc_server_update_repeat_mode(mc_server_h server, mc_repeat_mode_e mode);
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_subtitles_updated_cb()
  */
 int mc_server_update_subtitles_enabled(mc_server_h server, bool enabled);
 
 /**
  * @brief Updates the modified 360 mode display status.
- * @details If this function is called, the updated 360 mode display status will be sent to all clients.
+ * @details If this function is called, the updated 360 mode display status will be sent to media controller clients who set callback by using mc_client_set_360_mode_updated_cb().
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -629,12 +639,13 @@ int mc_server_update_subtitles_enabled(mc_server_h server, bool enabled);
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_360_mode_updated_cb()
  */
 int mc_server_update_360_mode_enabled(mc_server_h server, bool enabled);
 
 /**
  * @brief Updates the modified display mode.
- * @details If this function is called, the updated display mode information will be sent to all clients.
+ * @details If this function is called, the updated display mode information will be sent to media controller clients who set callback by using mc_client_set_display_mode_updated_cb().
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -655,12 +666,13 @@ int mc_server_update_360_mode_enabled(mc_server_h server, bool enabled);
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_display_mode_updated_cb()
  */
 int mc_server_update_display_mode(mc_server_h server, mc_display_mode_e mode);
 
 /**
  * @brief Updates the modified display rotation.
- * @details If this function is called, the updated display rotation information will be sent to all clients.
+ * @details If this function is called, the updated display rotation information will be sent to media controller clients who set callback by using mc_client_set_display_rotation_updated_cb().
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -681,6 +693,7 @@ int mc_server_update_display_mode(mc_server_h server, mc_display_mode_e mode);
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_display_rotation_updated_cb()
  */
 int mc_server_update_display_rotation(mc_server_h server, mc_display_rotation_e rotation);
 
@@ -709,6 +722,7 @@ int mc_server_update_display_rotation(mc_server_h server, mc_display_rotation_e
  * @see mc_server_destroy()
  * @see mc_server_unset_playback_action_cmd_received_cb()
  * @see mc_server_set_playback_ability()
+ * @see mc_client_send_playback_action_cmd()
  */
 int mc_server_set_playback_action_cmd_received_cb(mc_server_h server, mc_server_playback_action_cmd_received_cb callback, void *user_data);
 
@@ -762,6 +776,7 @@ int mc_server_unset_playback_action_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_playback_position_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_playback_position_cmd()
  */
 int mc_server_set_playback_position_cmd_received_cb(mc_server_h server, mc_server_playback_position_cmd_received_cb callback, void *user_data);
 
@@ -815,6 +830,7 @@ int mc_server_unset_playback_position_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_shuffle_mode_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_shuffle_mode_cmd()
  */
 int mc_server_set_shuffle_mode_cmd_received_cb(mc_server_h server, mc_server_shuffle_mode_cmd_received_cb callback, void *user_data);
 
@@ -868,6 +884,7 @@ int mc_server_unset_shuffle_mode_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_repeat_mode_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_repeat_mode_cmd()
  */
 int mc_server_set_repeat_mode_cmd_received_cb(mc_server_h server, mc_server_repeat_mode_cmd_received_cb callback, void *user_data);
 
@@ -921,6 +938,7 @@ int mc_server_unset_repeat_mode_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_playlist_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_playlist_cmd()
  */
 int mc_server_set_playlist_cmd_received_cb(mc_server_h server, mc_server_playlist_cmd_received_cb callback, void *user_data);
 
@@ -974,6 +992,7 @@ int mc_server_unset_playlist_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_custom_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_custom_cmd()
  */
 int mc_server_set_custom_cmd_received_cb(mc_server_h server, mc_server_custom_cmd_received_cb callback, void *user_data);
 
@@ -1028,6 +1047,7 @@ int mc_server_unset_custom_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_subtitles_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_subtitles_cmd()
  */
 int mc_server_set_subtitles_cmd_received_cb(mc_server_h server, mc_server_enable_cmd_received_cb callback, void *user_data);
 
@@ -1083,6 +1103,7 @@ int mc_server_unset_subtitles_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_360_mode_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_360_mode_cmd()
  */
 int mc_server_set_360_mode_cmd_received_cb(mc_server_h server, mc_server_enable_cmd_received_cb callback, void *user_data);
 
@@ -1138,6 +1159,7 @@ int mc_server_unset_360_mode_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_display_mode_cmd_received_cb()
  * @see mc_server_set_display_mode_ability()
+ * @see mc_client_send_display_mode_cmd()
  */
 int mc_server_set_display_mode_cmd_received_cb(mc_server_h server, mc_server_display_mode_cmd_received_cb callback, void *user_data);
 
@@ -1193,6 +1215,7 @@ int mc_server_unset_display_mode_cmd_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_display_rotation_cmd_received_cb()
  * @see mc_server_set_display_rotation_ability()
+ * @see mc_client_send_display_rotation_cmd()
  */
 int mc_server_set_display_rotation_cmd_received_cb(mc_server_h server, mc_server_display_rotation_cmd_received_cb callback, void *user_data);
 
@@ -1223,7 +1246,8 @@ int mc_server_set_display_rotation_cmd_received_cb(mc_server_h server, mc_server
 int mc_server_unset_display_rotation_cmd_received_cb(mc_server_h server);
 
 /**
- * @brief Replies the result of the requested command to the client.
+ * @brief Replies the result of the requested command to the media controller client.
+ * @details If this function is called, reply for the command will be sent to the media controller client who set callback by using mc_client_set_cmd_reply_received_cb().
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -1254,6 +1278,7 @@ int mc_server_unset_display_rotation_cmd_received_cb(mc_server_h server);
  * @see mc_server_playlist_cmd_received_cb()
  * @see mc_server_custom_cmd_received_cb()
  * @see mc_server_destroy()
+ * @see mc_client_set_cmd_reply_received_cb()
  */
 int mc_server_send_cmd_reply(mc_server_h server, const char *client_name, const char *request_id, int result_code, bundle *data);
 
@@ -1286,7 +1311,7 @@ int mc_server_send_cmd_reply(mc_server_h server, const char *client_name, const
 int mc_server_foreach_client(mc_server_h server, mc_activated_client_cb callback, void *user_data);
 
 /**
- * @brief Sends the customized event with the bundle data.
+ * @brief Sends the customized event with the bundle data to the media controller client.
  * @details If the event is needed in the client, this function should be called. @a data is a bundle.
  * @since_tizen 4.0
  *
@@ -1314,6 +1339,8 @@ int mc_server_foreach_client(mc_server_h server, mc_activated_client_cb callback
  * @see mc_server_event_reply_received_cb()
  * @see mc_server_set_event_reply_received_cb()
  * @see mc_server_destroy()
+ * @see mc_server_foreach_client()
+ * @see mc_client_set_custom_event_received_cb()
  */
 int mc_server_send_custom_event(mc_server_h server, const char *client_name, const char *event, bundle *data, char **request_id);
 
@@ -1342,6 +1369,8 @@ int mc_server_send_custom_event(mc_server_h server, const char *client_name, con
  * @see mc_server_create()
  * @see mc_server_unset_event_reply_received_cb()
  * @see mc_server_destroy()
+ * @see mc_server_send_custom_event()
+ * @see mc_client_send_event_reply()
  */
 int mc_server_set_event_reply_received_cb(mc_server_h server, mc_server_event_reply_received_cb callback, void *user_data);
 
@@ -1392,6 +1421,7 @@ int mc_server_unset_event_reply_received_cb(mc_server_h server);
  * @see mc_server_destroy()
  * @see mc_server_unset_search_cmd_received_cb()
  * @see mc_server_set_ability_support()
+ * @see mc_client_send_search_cmd()
  */
 int mc_server_set_search_cmd_received_cb(mc_server_h server, mc_server_search_cmd_received_cb callback, void *user_data);
 
@@ -1422,6 +1452,7 @@ int mc_server_unset_search_cmd_received_cb(mc_server_h server);
 
 /**
  * @brief Destroys media controller server.
+ * @details If this function is called, the changed server's state to #MC_SERVER_STATE_DEACTIVATE will be sent to media controller clients who set callback by using mc_client_set_server_updated_cb().
  * @since_tizen 2.4
  *
  * @remarks After the server is destroyed, all its abilities will be initialized to the default automatically.
@@ -1435,6 +1466,7 @@ int mc_server_unset_search_cmd_received_cb(mc_server_h server);
  *
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
+ * @see mc_client_set_server_updated_cb()
  */
 int mc_server_destroy(mc_server_h server);
 
@@ -1510,6 +1542,7 @@ int mc_server_add_item_to_playlist(mc_server_h server, mc_playlist_h playlist, c
 
 /**
  * @brief Registers items to the playlist.
+ * @details If this function is called, the updated playlist information with mode #MC_PLAYLIST_UPDATED will be sent to media controller clients who set callback by using mc_client_set_playlist_updated_cb().
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -1529,15 +1562,19 @@ int mc_server_add_item_to_playlist(mc_server_h server, mc_playlist_h playlist, c
  *
  * @pre Create a media controller server handle by calling mc_server_create().
  * @pre Create a media controller playlist handle by calling mc_server_create_playlist().
+ * @pre Add items to the playlist by calling mc_server_add_item_to_playlist().
  * @see mc_server_create()
  * @see mc_server_destroy()
  * @see mc_server_create_playlist()
+ * @see mc_server_add_item_to_playlist()
  * @see mc_playlist_destroy()
+ * @see mc_client_set_playlist_updated_cb()
  */
 int mc_server_update_playlist_done(mc_server_h server, mc_playlist_h playlist);
 
 /**
  * @brief Deletes the playlist of the media controller server.
+ * @details If this function is called, the updated playlist information with mode #MC_PLAYLIST_REMOVED will be sent to media controller clients who set callback by using mc_client_set_playlist_updated_cb().
  * @since_tizen 4.0
  *
  * @privlevel public
@@ -1561,18 +1598,33 @@ int mc_server_update_playlist_done(mc_server_h server, mc_playlist_h playlist);
  * @see mc_server_destroy()
  * @see mc_server_create_playlist()
  * @see mc_playlist_destroy()
+ * @see mc_client_set_playlist_updated_cb()
  */
 int mc_server_delete_playlist(mc_server_h server, mc_playlist_h playlist);
 
 /**
- * @brief Sets the playback ability's support of the media controller.
+ * @brief Sets the playback ability's support of the media controller server.
+ * @details This function allows setting the support for the following abilities: \n
+ *          #MC_PLAYBACK_ACTION_PLAY, \n
+ *          #MC_PLAYBACK_ACTION_PAUSE, \n
+ *          #MC_PLAYBACK_ACTION_STOP, \n
+ *          #MC_PLAYBACK_ACTION_NEXT, \n
+ *          #MC_PLAYBACK_ACTION_PREV, \n
+ *          #MC_PLAYBACK_ACTION_FAST_FORWARD, \n
+ *          #MC_PLAYBACK_ACTION_REWIND, \n
+ *          #MC_PLAYBACK_ACTION_TOGGLE_PLAY_PAUSE, \n
+ *          To set the support for other abilities, use corresponding function. \n
+ *          For a ability like shuffle, repeat, use mc_server_set_ability_support(). \n
+ *          For a display mode ability, use mc_server_set_display_mode_ability(). \n
+ *          For a display rotation ability, use mc_server_set_display_rotation_ability(). \n
  * @since_tizen 5.0
  *
  * @privlevel public
  * @privilege %http://tizen.org/privilege/mediacontroller.server
  *
  * @remarks If @a support is #MC_ABILITY_SUPPORTED_UNDECIDED, this function will return #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER.
- *              To notify all clients about the changes of the playback's ability support, use mc_server_update_playback_ability().
+ *              Default value is #MC_ABILITY_SUPPORTED_UNDECIDED. \n
+ *              To notify media controller clients about the changes of the playback's ability support, use mc_server_update_playback_ability().
  *
  * @param[in] server The handle to media controller server
  * @param[in] action   The playback action
@@ -1595,7 +1647,7 @@ int mc_server_set_playback_ability(mc_server_h server, mc_playback_action_e acti
 
 /**
  * @brief Updates the modified ability info.
- * @details If this function is called, the updated ability will be sent to all clients.
+ * @details If this function is called, the updated ability will be sent to media controller clients who set callback by using mc_client_set_playback_ability_updated_cb().
  * @since_tizen 5.0
  *
  * @privlevel public
@@ -1615,24 +1667,26 @@ int mc_server_set_playback_ability(mc_server_h server, mc_playback_action_e acti
  * @see mc_server_create()
  * @see mc_server_destroy()
  * @see mc_server_set_playback_ability()
+ * @see mc_client_set_playback_ability_updated_cb()
  */
 int mc_server_update_playback_ability(mc_server_h server);
 
 /**
  * @brief Sets the ability's support of the media controller.
- * @details This function allows setting the support for the following abilities:
- *	         #MC_ABILITY_SHUFFLE, \n
- *	         #MC_ABILITY_REPEAT, \n
- *	         #MC_ABILITY_PLAYBACK_POSITION, \n
- *	         #MC_ABILITY_PLAYLIST, \n
- *	         #MC_ABILITY_CLIENT_CUSTOM, \n
- *	         #MC_ABILITY_SEARCH, \n
- *	         #MC_ABILITY_SUBTITLES, \n
- *	         #MC_ABILITY_360_MODE, \n
- *            To set the support for other abilities, use corresponding function. \n
- *            For a playback ability, use mc_server_set_playback_ability() and mc_server_update_playback_ability(). \n
- *            For a display mode ability, use mc_server_set_display_mode_ability(). \n
- *            For a display rotation ability, use mc_server_set_display_rotation_ability(). \n
+ * @details This function allows setting the support for the following abilities: \n
+ *          #MC_ABILITY_SHUFFLE, \n
+ *          #MC_ABILITY_REPEAT, \n
+ *          #MC_ABILITY_PLAYBACK_POSITION, \n
+ *          #MC_ABILITY_PLAYLIST, \n
+ *          #MC_ABILITY_CLIENT_CUSTOM, \n
+ *          #MC_ABILITY_SEARCH, \n
+ *          #MC_ABILITY_SUBTITLES, \n
+ *          #MC_ABILITY_360_MODE, \n
+ *          If this function is called, the updated ability will be sent to media controller clients who set callback by using mc_client_set_ability_support_updated_cb().
+ *          To set the support for other abilities, use corresponding function. \n
+ *          For a playback ability, use mc_server_set_playback_ability() and mc_server_update_playback_ability(). \n
+ *          For a display mode ability, use mc_server_set_display_mode_ability(). \n
+ *          For a display rotation ability, use mc_server_set_display_rotation_ability(). \n
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1662,11 +1716,13 @@ int mc_server_update_playback_ability(mc_server_h server);
  * @see mc_server_update_playback_ability()
  * @see mc_server_set_display_mode_ability()
  * @see mc_server_set_display_rotation_ability()
+ * @see mc_client_set_ability_support_updated_cb()
  */
 int mc_server_set_ability_support(mc_server_h server, mc_ability_e ability, mc_ability_support_e support);
 
 /**
  * @brief Sets the display mode ability of the media controller.
+ * @details If this function is called, the updated display mode will be sent to media controller clients who set callback by using mc_client_set_display_mode_ability_updated_cb().
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1691,11 +1747,13 @@ int mc_server_set_ability_support(mc_server_h server, mc_ability_e ability, mc_a
  * @see mc_server_create()
  * @see mc_server_destroy()
  * @see mc_server_set_display_mode_cmd_received_cb()
+ * @see mc_client_set_display_mode_ability_updated_cb()
  */
 int mc_server_set_display_mode_ability(mc_server_h server, unsigned int mode, mc_ability_support_e support);
 
 /**
  * @brief Sets the display rotation ability of the media controller.
+ * @details If this function is called, the updated display rotation will be sent to media controller clients who set callback by using mc_client_set_display_rotation_ability_updated_cb().
  * @since_tizen 5.5
  *
  * @privlevel public
@@ -1719,6 +1777,7 @@ int mc_server_set_display_mode_ability(mc_server_h server, unsigned int mode, mc
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_set_display_rotation_ability_updated_cb()
  */
 int mc_server_set_display_rotation_ability(mc_server_h server, unsigned int rotation, mc_ability_support_e support);
 
@@ -1744,6 +1803,7 @@ int mc_server_set_display_rotation_ability(mc_server_h server, unsigned int rota
  * @pre Create a media controller server handle by calling mc_server_create().
  * @see mc_server_create()
  * @see mc_server_destroy()
+ * @see mc_client_get_server_icon()
  */
 int mc_server_set_icon(mc_server_h server, const char *uri);
 
diff --git a/include/media_controller_type.h b/include/media_controller_type.h
index 883dfe9..a703542 100644
--- a/include/media_controller_type.h
+++ b/include/media_controller_type.h
@@ -95,6 +95,9 @@ typedef enum {
 /**
  * @brief Enumeration for the media controller server state.
  * @since_tizen 2.4
+ *
+ * @see mc_client_get_latest_server_info()
+ * @see mc_server_state_updated_cb()
  */
 typedef enum {
 	MC_SERVER_STATE_NONE = 0,					/**< None state*/
@@ -105,6 +108,10 @@ typedef enum {
 /**
  * @brief Enumeration for the media meta info.
  * @since_tizen 2.4
+ *
+ * @see mc_server_set_metadata()
+ * @see mc_server_add_item_to_playlist()
+ * @see mc_metadata_get()
  */
 typedef enum {
 	MC_META_MEDIA_TITLE = 0,			/**< Title */
@@ -124,8 +131,11 @@ typedef enum {
 } mc_meta_e;
 
 /**
- * @brief Enumeration for the media playback state.
+ * @brief Enumeration for the media playback state of the media controller server.
  * @since_tizen 2.4
+ *
+ * @see mc_server_set_playback_state()
+ * @see mc_client_get_playback_state()
  */
 typedef enum {
 	MC_PLAYBACK_STATE_NONE = 0,				/**< None */
@@ -143,7 +153,16 @@ typedef enum {
 
 /**
  * @brief Enumeration for the media playback action.
+ * @details Media controller clients can control media controller server's playback by calling mc_client_send_playback_action_cmd() or mc_client_send_playlist_cmd(). \n
+ *          Media controller servers have to set proper playback ability by using mc_server_set_playback_ability().
  * @since_tizen 4.0
+ *
+ * @see mc_server_set_playback_ability()
+ * @see mc_client_send_playback_action_cmd()
+ * @see mc_client_send_playlist_cmd()
+ * @see mc_playback_action_is_supported()
+ * @see mc_server_playback_action_cmd_received_cb()
+ * @see mc_server_playlist_cmd_received_cb()
  */
 typedef enum {
 	MC_PLAYBACK_ACTION_PLAY,				/**< Play */
@@ -157,8 +176,14 @@ typedef enum {
 } mc_playback_action_e;
 
 /**
- * @brief Enumeration for the shuffle mode.
+ * @brief Enumeration for the shuffle mode of the media controller server.
  * @since_tizen 2.4
+ *
+ * @see mc_server_update_shuffle_mode()
+ * @see mc_server_shuffle_mode_cmd_received_cb()
+ * @see mc_client_get_server_shuffle_mode()
+ * @see mc_client_send_shuffle_mode_cmd()
+ * @see mc_shuffle_mode_updated_cb()
  */
 typedef enum {
 	MC_SHUFFLE_MODE_ON = 0,				/**< Shuffle mode on */
@@ -166,8 +191,14 @@ typedef enum {
 } mc_shuffle_mode_e;
 
 /**
- * @brief Enumeration for the repeat mode.
+ * @brief Enumeration for the repeat mode of the media controller server.
  * @since_tizen 2.4
+ *
+ * @see mc_server_update_repeat_mode()
+ * @see mc_server_repeat_mode_cmd_received_cb()
+ * @see mc_client_get_server_repeat_mode()
+ * @see mc_client_send_repeat_mode_cmd()
+ * @see mc_repeat_mode_updated_cb()
  */
 typedef enum {
 	MC_REPEAT_MODE_ON = 0,				/**< Repeat mode on for all media*/
@@ -176,8 +207,12 @@ typedef enum {
 } mc_repeat_mode_e;
 
 /**
- * @brief Enumeration for the subscription type.
+ * @brief Enumeration for the subscription type of the media controller client.
  * @since_tizen 2.4
+ *
+ * @see mc_client_subscribe()
+ * @see mc_client_unsubscribe()
+ * @see mc_client_foreach_server_subscribed()
  */
 typedef enum {
 	MC_SUBSCRIPTION_TYPE_SERVER_STATE = 0,					/**< Server state */
@@ -194,7 +229,13 @@ typedef enum {
 
 /**
  * @brief Enumeration for the playlist update mode.
+ * @details Media controller clients can know the playlist change status of the media controller server by calling mc_client_set_playlist_updated_cb(). \n
  * @since_tizen 4.0
+ *
+ * @see mc_client_set_playlist_updated_cb()
+ * @see mc_playlist_updated_cb()
+ * @see mc_server_update_playlist_done()
+ * @see mc_server_delete_playlist()
  */
 typedef enum {
 	MC_PLAYLIST_UPDATED,	/**< Create or Update playlist */
@@ -202,8 +243,14 @@ typedef enum {
 } mc_playlist_update_mode_e;
 
 /**
- * @brief Enumeration for the content type of the content.
+ * @brief Enumeration for the content type of the media content by the media controller server.
+ * @details Media controller clients can use this to know the playback status of the media controller server. \n
+ *          And media controller clients can also use to search for the content provided by the media controller server.
  * @since_tizen 5.0
+ *
+ * @see mc_server_set_playback_content_type()
+ * @see mc_client_get_playback_content_type()
+ * @see mc_search_set_condition()
  */
 typedef enum {
 	MC_CONTENT_TYPE_IMAGE = 0,	/**< Image content type */
@@ -214,8 +261,11 @@ typedef enum {
 } mc_content_type_e;
 
 /**
- * @brief Enumeration for the content age rating of the content.
+ * @brief Enumeration for the content age rating of the media content by the media controller server.
  * @since_tizen 5.0
+ *
+ * @see mc_server_set_content_age_rating()
+ * @see mc_client_get_age_rating()
  */
 typedef enum {
 	MC_CONTENT_RATING_ALL = 0, 		/**< Suitable for all ages */
@@ -241,8 +291,19 @@ typedef enum {
 } mc_content_age_rating_e;
 
 /**
- * @brief Enumeration for the support of the ability.
+ * @brief Enumeration for the support of the ability by the media controller server.
  * @since_tizen 5.0
+ *
+ * @remarks The media controller server should set the proper abilities. \n
+ *          Only then can media controller clients send the appropriate control commands.
+ *
+ * @see mc_server_set_playback_ability()
+ * @see mc_server_set_ability_support()
+ * @see mc_server_set_display_mode_ability()
+ * @see mc_server_set_display_rotation_ability()
+ * @see mc_client_get_server_ability_support()
+ * @see mc_ability_support_updated_cb()
+ * @see mc_playback_action_is_supported()
  */
 typedef enum {
 	MC_ABILITY_SUPPORTED_YES = 0,		/**< Supported */
@@ -251,8 +312,12 @@ typedef enum {
 } mc_ability_support_e;
 
 /**
- * @brief Enumeration for the ability.
+ * @brief Enumeration for the ability of the media controller server.
  * @since_tizen 5.5
+ *
+ * @see mc_server_set_ability_support()
+ * @see mc_client_get_server_ability_support()
+ * @see mc_ability_support_updated_cb()
  */
 typedef enum {
 	MC_ABILITY_SHUFFLE,				/**< Shuffle */
@@ -267,7 +332,10 @@ typedef enum {
 
 /**
  * @brief Enumeration for the search category.
+ * @details Media controller clients can use this to search for the content provided by the media controller server.
  * @since_tizen 5.0
+ *
+ * @see mc_search_set_condition()
  */
 typedef enum {
 	MC_SEARCH_NO_CATEGORY = 0,	/**< No search category */
@@ -279,8 +347,14 @@ typedef enum {
 } mc_search_category_e;
 
 /**
- * @brief Enumeration for the display mode.
+ * @brief Enumeration for the display mode of the media controller server.
  * @since_tizen 5.5
+ *
+ * @see mc_server_update_display_mode()
+ * @see mc_server_display_mode_cmd_received_cb()
+ * @see mc_client_get_server_display_mode()
+ * @see mc_client_send_display_mode_cmd()
+ * @see mc_display_mode_updated_cb()
  */
 typedef enum {
 	MC_DISPLAY_MODE_LETTER_BOX = 1 << 0,		/**< Letter box */
@@ -290,8 +364,14 @@ typedef enum {
 } mc_display_mode_e;
 
 /**
- * @brief Enumeration for the display rotation.
+ * @brief Enumeration for the display rotation of the media controller server.
  * @since_tizen 5.5
+ *
+ * @see mc_server_update_display_rotation()
+ * @see mc_server_display_rotation_cmd_received_cb()
+ * @see mc_client_get_server_display_rotation()
+ * @see mc_client_send_display_rotation_cmd()
+ * @see mc_display_rotation_updated_cb()
  */
 typedef enum {
 	MC_DISPLAY_ROTATION_NONE = 1 << 0,	/**< Display is not rotated */