public static TransactionResult GetTransaction(string transactionGuidInput, string paymentGuidInput, string transactioGroupInput) { Guid transactionGuid = Guid.Empty; Guid paymentGuid = Guid.Empty; Guid transactionGroupGuid = Guid.Empty; if (!Guid.TryParse(transactionGuidInput, out transactionGuid) || !Guid.TryParse(paymentGuidInput, out paymentGuid) || !Guid.TryParse(transactioGroupInput, out transactionGroupGuid)) { return(null); } Payment payment = Payment.CreateManager().Load(paymentGuid, GuidType.Internal); if (payment == null) { return(null); } ServiceLookupMethodMap slmm = ServiceLookupMethodMap.CreateManager().Load(payment.ServiceOffer.Service, payment.PaymentRequest.Customer.Country, LookupMethod.Wap); TransactionClient transactionClient = new TransactionClient(); transactionClient.AttachLogWriter(new CashflowLog(payment.ServiceOffer.Service)); GetTransactionsRequest getTransactionRequest = new GetTransactionsRequest(RequestMode.Default, payment.ExternalPaymentGuid.ToString(), slmm.PaymentConfiguration.PaymentCredentials.Username, slmm.PaymentConfiguration.PaymentCredentials.Password, transactionGroupGuid, null); GetTransactionsResponse getTransactionResponse = transactionClient.GetTransactions(getTransactionRequest, null); foreach (Cashflow.Message.Data.Transaction transaction in getTransactionResponse.Transactions) { if (transaction.TransactionID == transactionGuid) { return new TransactionResult() { Transaction = transaction, Username = slmm.PaymentConfiguration.PaymentCredentials.Username, Password = slmm.PaymentConfiguration.PaymentCredentials.Password } } } ; return(null); }