Notifications.markRead

Description

This method marks one or more notifications as read. You return the notifications by calling notifications.getList or querying the notification FQL table.

Applications must pass a valid session key, and can only mark the notifications of the current session user.

Required	Name	Type	Description
required	session_key	`string`	The session key of the logged in user. The session key is automatically included by our PHP client. Applications must pass a valid session key.
	notification_ids	`array`	The IDs of the notifications to mark as read, as retrieved via the notification FQL table or the notifications.getList API method. This is a comma-separated list.

$facebook->api_client->notifications_markRead("<notification_id1>,<notification_id2>");

This method returns true on success, or false or an error code if it fails.

Code	Description
100	Invalid parameter.
102	Session key invalid or no longer valid (if it's a desktop application and the session is missing).