Omnipay\Alipay\Requests\LegacyNotifyRequest::sendData PHP Метод

    public function sendData($data)
    {
        $this->verifySignature();
        if ($this->params->has('notify_id')) {
            if ($this->verifyNotifyId) {
                $this->verifyNotifyId();
            }
        }
        return $this->response = new LegacyNotifyResponse($this, $data);
    }