public function addNotification(Notification $notification)
    {
        $this->notifications[] = $notification;

        if (count($this->notifications) > 3) {
            throw new \Exception('Maximum 3 notifications allowed');
        }

        return $this;
    }
public function addNotification(Notification $notification)
    {
        $this->notifications[] = $notification;

        if (count($this->notifications) > 3) {
            throw new \Exception('Maximum 3 notifications allowed');
        }

        return $this;
    }
public function addNotification ( Notification $ notification ) { $ this -> notifications [ ] = $ notification ; if ( count ( $ this -> notifications ) > 3 ) { throw new \ Exception ( 'Maximum 3 notifications allowed' ) ; } return $ this ; }
@param Notification $notification

@throws \Exception

@return $this
@param Notification $notification