/**
         * AUTO_GENERATED
         */
        public DoAuthorizationResponseType DoAuthorization(DoAuthorizationReq doAuthorizationReq, string apiUserName)
        {
            setStandardParams(doAuthorizationReq.DoAuthorizationRequest);
            string      response    = Call("DoAuthorization", doAuthorizationReq.ToXMLString(), apiUserName);
            XmlDocument xmlDocument = new XmlDocument();

            xmlDocument.LoadXml(response);
            XmlNode xmlNode = xmlDocument.SelectSingleNode("*[local-name()='Envelope']/*[local-name()='Body']/*[local-name()='DoAuthorizationResponse']");

            return(new DoAuthorizationResponseType(xmlNode));
        }