Void

Refunds of transactions from the customer's card.

Description of Response object

Request object	Purpose	Description
request.operationCode	Operation number	Will send constant 4
request.TerminalID	Terminal ID	IPPOS terminal ID given by the bank. Each cash register has a different terminal ID.
request.Amount	Transaction amount	Transaction amount. The last 2 digits are fractions.
request.CurrencyCode	Currency	Will send constant 496.

C# Sample code

  DualConnector.DCLink dclink = new DualConnector.DCLink();
  DualConnector.ISAPacket request = new DualConnector.SAPacket();
  DualConnector.ISAPacket response = new DualConnector.SAPacket();
  request.OperationCode = 4;
  request.TerminalID = "13133707";
  request.Amount = "20000";
  request.CurrencyCode = "496";
  try
  {
      int res = dclink.InitResources();
      if (res != 0)
      {
          Console.WriteLine("Exception during InitResource: " + dclink.ErrorDescription);
      }
      else
      {
          res = dclink.Exchange(ref request, ref response, 5000000);
          if (res != 0)
          {
              Console.WriteLine("Exception during DCExchange: " + dclink.ErrorDescription);
          }
      }
      dclink.FreeResources();
      if (response.Status == 1)
      {
          Console.WriteLine("Cancellation Successful");
      }
      else
      {
          Console.WriteLine("Cancellation Failed");
          Console.WriteLine("Error reason:" + response.TextResponse);
      }
  }
  catch (Exception e)
  {
      Console.WriteLine("Exception during DualConnector: " + e.Message);
  }
  Console.ReadKey();

Description of the Response object

Response object	Purpose	Description
response.status	Transaction status	Response code of 1 is considered transaction is successful. If the response code is anything else, the transaction is considered unsuccessful.
response.TextResponse	Error description	Contains an error description when the operation fails.