Flutter

dependencies:
  flutter:
    sdk: flutter
  ...
  fpjs_pro_plugin: ^4.13.1

<head>
  <!-- ... -->
  <script src="assets/packages/fpjs_pro_plugin/web/index.js" defer></script>
</head>

import 'package:flutter/material.dart';
import 'package:fpjs_pro_plugin/fpjs_pro_plugin.dart';
import 'package:fpjs_pro_plugin/error.dart';
import 'package:fpjs_pro_plugin/region.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    initFingerprint();
  }

  // Initialize Fingerprint
  void initFingerprint() async {
    await FpjsProPlugin.initFpjs(
      'PUBLIC_API_KEY', // insert your API key here
      region: Region.us, // Insert the data region of your Fingerprint workspace
    );
    identify();
  }

  // Identify visitor
  void identify() async {
    try {
      final visitorData = await FpjsProPlugin.getVisitorData();
      debugPrint('Visitor ID: ${visitorData.visitorId}');
      debugPrint('Request ID: ${visitorData.requestId}');
    } on FingerprintProError catch (e) {
      // Process the error
      debugPrint('Error identifying visitor: $e');
    }
  }

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(home: Scaffold());
  }
}