BP_REST_Notifications_Endpoint::get_notification_object( WP_REST_Request $request )

	public function get_notification_object( $request ) {
		$notification_id = is_numeric( $request ) ? $request : (int) $request['id'];

		$notification = bp_notifications_get_notification( $notification_id );

		if ( empty( $notification->id ) ) {
			return '';
		}

		return $notification;
	}