Transaction Object
transactionIdentifier string - A string that uniquely identifies a successful payment transaction.transactionDate string - The date the transaction was added to the App Store’s payment queue.originalTransactionIdentifier string - The identifier of the restored transaction by the App Store.transactionState string - The transaction state, can be purchasing, purchased, failed, restored or deferred.errorCode Integer - The error code if an error occurred while processing the transaction.errorMessage string - The error message if an error occurred while processing the transaction.payment Object
productIdentifier string - The identifier of the purchased product.quantity Integer - The quantity purchased.applicationUsername string - An opaque identifier for the user’s account on your system.paymentDiscount PaymentDiscount (optional) - The details of the discount offer to apply to the payment.