Omnipay\Alipay\Requests\AopTradePayRequest::cancel PHP Метод

    protected function cancel()
    {
        $request = new AopTradeCancelRequest($this->httpClient, $this->httpRequest);
        $request->initialize($this->parameters->all());
        $request->setEndpoint($this->getEndpoint());
        $request->setPrivateKey($this->getPrivateKey());
        $request->setBizContent(['out_trade_no' => $this->getBizData('out_trade_no')]);
        $this->response = $request->send();
    }