Method: Send a test notification to the currently logged in users Extending classes should redefine this in order to properly setup the controller with post_id and user_id data

Method: Determine what types are supported Extending classes can override this function in order to add or remove support 3rd parties should add support via filter on $this->get_supported_types()

Method: Subscribe a user to a notification type

Method: Retrieve a prefix for options related to the notification This overrides the LLMS_Abstract_Options_Data method

Method: Determine if a given notification type is supported

Method: Retrieve get an array of subscriber options for the current notification by type

Method: Reset the subscriptions array

Method: Takes a subscriber type (student, author, etc) and retrieves a User ID