How does ePDQ transaction processing work?
- If the user has specified OrderID, this OrderID is sent to the ePDQ processor. If OrderID is not specified by the user, the gateway sends TransactionID to the ePDQ processor.
- In order to perform Partial Refund, you need to do Credit and put the OrderID of the transaction in GlobalOrderID field.
- In order to perform regular Credit operation, you need to do Credit and leave GlobalOrderID empty.