The transaction that was restored by the App Store.
- iOS 3.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
The contents of this property are undefined except when
transaction is set to
SKPayment. When a transaction is restored, the current transaction holds a new transaction identifier, receipt, and so on. Your application will read this property to retrieve the restored transaction.