npm install react-native-notifyvisitors

$ flutter pub add flutter_notifyvisitors

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

npm install cordova-plugin-notifyvisitors

npm install capacitor-plugin-notifyvisitors

/* For React-Native versions < 0.60 
Skip if using React Native version of 0.60 or greater. 
Autolinking is now done automatically */

react-native link react-native-notifyvisitors

flutter pub get

ionic cordova plugin add cordova-plugin-notifyvisitors --variable NV_LINK_URL=www.your_deep_link_url.com

// Example
ionic cordova plugin add cordova-plugin-notifyvisitors --variable NV_LINK_URL=www.myApp.com
 
 Note:- If you added the plugin correctly you will see the following in your CLI.
***********************************************************************
* cordova-plugin-notifyvisitors version:x.x.x  successfully installed *
***********************************************************************

npx cap sync

import Notifyvisitors from react-native-notifyvisitors';

import 'package:flutter_notifyvisitors/flutter_notifyvisitors.dart';

declare var NotifyVisitors: any;

import { NotifyVisitors } from 'capacitor-plugin-notifyvisitors';