AddCustomField Method
This adds a custom name-value pair to be sent with the next request.
Object Oriented Interface
public function doAddCustomField($name, $value);
Procedural Interface
inpaypal_refundtransaction_do_addcustomfield($res, $name, $value);
Remarks
This method should be used to append a custom name-value pair to the next outgoing request to PayPal.
Note: The custom fields that have been added will be cleared by the class automatically after each request.