lastKnownPushToken property
Get the last known push token. This might be null if the SDK never successfully registered to push notifcations.
A number of issues can cause this: Invalid configuration, no permission to display notifications, running on an iOS simulator, Firebase unavailability, ... See your logs for more information.
Note: Calling this method too early in the application lifecycle might return an out of date value.
Implementation
Future<String?> get lastKnownPushToken async {
return await _channel.invokeMethod('push.getLastKnownPushToken');
}