PayPal\PayPalAPI\DoUATPAuthorizationReq::toXMLString PHP Method

    public function toXMLString()
    {
        $str = '';
        $str .= '<ns:DoUATPAuthorizationReq>';
        if ($this->DoUATPAuthorizationRequest != null) {
            $str .= '<ns:DoUATPAuthorizationRequest>';
            $str .= $this->DoUATPAuthorizationRequest->toXMLString();
            $str .= '</ns:DoUATPAuthorizationRequest>';
        }
        $str .= '</ns:DoUATPAuthorizationReq>';
        return $str;
    }