public function doVerifyWithPayPal($request, $charset)
    {
        $caller = $this->getCaller();
        $caller->setRequest($request);

        $caller = $this->getCaller();
        $curl = $caller->getCurl();
        $curl->setConnectionCharset($charset);
        $curl->setDataCharset($charset);
        $curl->setHost($this->getPayPalIpnConfig()->getIpnHost());
        $curl->setUrlToCall($this->getPayPalIpnConfig()->getIPNResponseUrl());

        $response = oxNew(\OxidEsales\PayPalModule\Model\Response\ResponseDoVerifyWithPayPal::class);
        $response->setData($caller->call());

        return $response;
    }