The delegate of the session object.
- iOS 3.0–7.0Deprecated
- macOS 10.8–10.10Deprecated
- Mac Catalyst 13.0–13.0Deprecated
- watchOS 2.0–2.0Deprecated
A session’s delegate is responsible for observing changes to other peers running with the same session ID. Your application must set a delegate before making your session known to other peers.