How To Push Notification Without Firebase In FlutterFLow Using OneSignal P1

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0:00 Create project and setup Firebase
1:18 Setup OneSignal
2:30 Add custom action to use OneSignal
4:40 Add action into login, logout button.
5:36 Testing notification
Code:
onesignalInit:

import 'package:onesignal_flutter/onesignal_flutter.dart';

Future onesignalInit() async {
final String oneSignalAppId = isAndroid
? "your android key"
: "your iOS key";

OneSignal.Debug.setLogLevel(OSLogLevel.verbose);
OneSignal.initialize(oneSignalAppId);
OneSignal.Notifications.requestPermission(true);
}

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onesignalLogin:

import 'package:onesignal_flutter/onesignal_flutter.dart';

Future onesignalLogin(String userID) async {
OneSignal.login(userID);
}

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onesignalLogout:

import 'package:onesignal_flutter/onesignal_flutter.dart';

Future onesignalLogout() async {
OneSignal.logout();
}