Credit Method
Credits a customer's card.
Syntax
public void credit();
Remarks
This method credits a customer's card specified via Card. This type of transaction is NOT based on previous transaction. Some gateways refer to these as "Open" or "Blind" Credits.
TransactionAmount is used to specify the amount you wish to return to the customer's card.
Please see the gateway information in the table of contents to determine if your gateway supports Credit transactions.