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