Laracasts\Flash\FlashNotifier::success PHP Метод

    public function success($message)
    {
        $this->message($message, 'success');
        return $this;
    }

 public function key($id, EditShuttleKeyRequest $request, FlashNotifier $flash)
 {
     $shuttle = Shuttle::findOrFail($id);
     $shuttle->key = $request->get('key');
     $flash->success('Shuttle key successfully modified!');
     return back();
 }