public async Task <AddOrderRowsResponse> DoRequest()
        {
            var auth = new AdminWS.Authentication()
            {
                Password = _builder.GetConfig().GetPassword(_builder.OrderType, _builder.GetCountryCode()),
                Username = _builder.GetConfig().GetUsername(_builder.OrderType, _builder.GetCountryCode())
            };

            var request = new AdminWS.AddOrderRowsRequest()
            {
                Authentication = auth,
                SveaOrderId    = _builder.Id,
                OrderType      = ConvertPaymentTypeToOrderType(_builder.OrderType), // not required for EU-clients
                ClientId       = _builder.GetConfig().GetClientNumber(_builder.OrderType, _builder.GetCountryCode()),
                OrderRows      = _builder.OrderRows.Select(x => ConvertOrderRowBuilderToAdminWSOrderRow(x)).ToArray()
            };

            // make request to correct endpoint, return response object
            var endpoint = _builder.GetConfig().GetEndPoint(PaymentType.ADMIN_TYPE);
            var adminWS  = new AdminServiceClient(EndpointConfiguration.WcfAdminSoapService);//"WcfAdminSoapService", endpoint);
            var response = await adminWS.AddOrderRowsAsync(request);

            return(response);
        }