When to use provider.notifier

[sbergmair]

When should I use myChangeNotifierProvider.notifier and when only myChangeNotifierProvider.
I figured out, that ref.watch(myChangeNotifierProvider.notifier) doesn't work, because it doesn't get add to the listeners of the ChaneNotifier.
Is there a ruling how to use each of this types?

[TimWhiting]

.notifier notifies whenever a new ChangeNotifier is created (likely because the ChangeNotifierProvider is watching another provider that changes).
Without the .notifier you get notified anytime the ChangeNotifier calls notifiyListeners()

[rrousselGit]

This is covered by the .notifier documentation https://pub.dev/documentation/flutter_riverpod/latest/flutter_riverpod/AutoDisposeChangeNotifierProvider/notifier.html