public override void FromModifiedXml(ModifiedXmlDocument doc, string path)
        {
            base.FromModifiedXml(doc, path);

            if (doc.Exists("XML/REQUEST/RESPONSE"))
            {
                Response = new InsertOrderWithPaymentResponse();
                Response.FromModifiedXml(doc, "XML/REQUEST/RESPONSE");
            }
        }
        public override void FromModifiedXml(ModifiedXmlDocument doc, string path)
        {
            base.FromModifiedXml(doc, path);

            if (doc.Exists("XML/REQUEST/RESPONSE"))
            {
                Response = new GetPaymentProductsResponse();
                Response.FromModifiedXml(doc, "XML/REQUEST/RESPONSE");
            }
        }