Airship\Cabin\Bridge\Blueprint\Skyport::getLeftMenu PHP Method

    public function getLeftMenu()
    {
        return ['needs_update' => $this->countOutdated()];
    }

 /**
  * @route admin/skyport
  */
 public function index()
 {
     $this->lens('skyport', ['left' => $this->skyport->getLeftMenu()]);
 }