using (var svc = new LoyaltyService.LoyaltyClient())
{
var request = new LoyaltyService.ManagementGroupRequestOfTransactionProductSearch();
request.Token = "Token";
request.ManagementGroup = "Management group";
var search = new LoyaltyService.TransactionProductSearch();
search.Member_RSN = new Guid("15377e10-218a-4cf2-b531-bae3bfad99bb");;
search.ProductCode = "Product_123";
request.Value = search;
LoyaltyService.ResultOfdateTime result = svc.SelectDateOfLastTransaction(request);
if (result.FaultCode == 0)
{
}
else
{
throw new Exception(result.FaultDescription);
}
}