An app-provided description of the current task.
- iOS 7.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 2.0+
This value may be
nil. It is intended to contain human-readable strings that you can then display to the user as part of your app’s user interface.
Obtaining General Task Information
The URL request object currently being handled by the task.
The original request object passed when the task was created.
The server’s response to the currently active request.
An identifier uniquely identifying the task within a given session.
An error object that indicates why the task failed.