import 'dart:math';

    String generateID() {

    const String charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

    final Random random = Random();

    String id = '';

    for (var i = 0; i < 6; i++) {

        final int randomIndex = random.nextInt(charSet.length);

        id += charSet[randomIndex];

    }

    return id;
    
    }