How to get iOS device token in flutter app

I need to get device token from the ios app to register it with zendesk app.

    func application(application: UIApplication,
    didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    print("X__APNS: \(String(describing: deviceToken))")
    }

But in ios app this method is not triggering only this method is triggering

func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String?) 
{
  print("Firebase registration token: \(String(describing: fcmToken))")
    Chat.registerPushTokenString(fcmToken ?? "")
}

I tried to get that token via the flutter app using firebase messenging

  await FirebaseMessaging.instance.getToken().then((value) async {
    var token = value ?? '';
    print(token);
  
  });
  await FirebaseMessaging.instance.getAPNSToken().then((value) async {
    var token = value ?? '';
  });

but both methods are not helping to get the ios device token in flutter. Is the APNS token equal to the device token ?

Yes, APNS token for iOS is same as default token, you can get it by using,

    FirebaseMessaging.instance.getToken().then((token) {
      print('This is Token: ' '${token}');
    });