Prerequisites

1. NotifyVisitors Account
2. For Android : FCM integration
3. For iOS: Apple Push Notifications Service Auth Key (APNs Auth Key)

Install NotifyVisitors library

$ flutter pub add flutter_notifyvisitors

/* this will add a line like this to your package's pubspec.yaml 
  dependencies:
    flutter_notifyvisitors: ^1.0.0
*/

Link library to Project

flutter pub get

Import NotifyVisitors package

Use the following Import statement in each page of your flutter code in which you want to access the Notifyvisitors Plugin methods.

import 'package:flutter_notifyvisitors/flutter_notifyvisitors.dart';