Tells the delegate that the request has completed.
- iOS 3.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
The request that completed.
This method is called after all processing of the request has been completed. Typically, subclasses of
SKRequest require the delegate to implement additional methods to receive the response. When this method is called, your delegate receives no further communication from the request and can release it.