App\Libraries\Skype\SkypeResponse::message PHP Метод

    public static function message($message)
    {
        $instance = new self('message/text');
        $instance->setText($message);
        return json_encode($instance);
    }

 public function process()
 {
     $invoice = $this->invoice();
     $message = trans('texts.' . $invoice->getEntityType()) . ' ' . $invoice->invoice_number;
     $message = link_to('/download/' . $invoice->invitations[0]->invitation_key, $message);
     return SkypeResponse::message($message);
 }