Paypal Module
Helper\Shortcut\ValidatorInterface
Interface
This interface defines a contract for validating PayPal shortcut buttons before they are displayed. Developers implement this interface to create vali...
Model\Billing\Agreement\MethodInterface
Interface
This interface defines the contract for PayPal payment methods that support billing agreements (recurring payments). Developers implement this interfa...
Model\IpnInterface
Interface
This interface defines the contract for processing PayPal Instant Payment Notification (IPN) requests. Developers implement this interface when creati...