This section describes the major Apple Pay classes you use to process Apple Pay transactions. These classes include:
PKPaymentButton
: You use this class to display a Pay button, which the user uses to begin an Apple Pay transaction.PKPaymentRequest
: This class represents a payment request, which the user authorizes or cancels in the payment sheet.PKPaymentSummaryItem
: Instances of this class represent summary items (such as subtotal, shipping costs, and total) in the payment sheet.PKPaymentMethod
: This class provides access to information about the payment card used in Apple Pay transaction.PKShippingMethod
: Instances of this class represent the shipment methods you support.PKPaymentAuthorizationViewController
: This class determines whether the user can use Apple Pay on the device. It is also used to present the payment sheet on the screen.PKPayment
: Instances of this class store payment information for Apple Pay transactions.PKPaymentToken
: Instances of this class contain...