The current state of the download object.
- iOS 6.0–12.0Deprecated
- Mac Catalyst 13.0–13.0Deprecated
- tvOS 9.0–12.0Deprecated
After you queue a download object, the payment queue object calls your transaction observer when the state of the download object changes. Your transaction observer should read the
download property and use it to determine how to proceed. For more information on the different states, see