How to access a asset in a dart function

Hi I am trying to access a asset in my dart function but I don't know how to set the path properly.

Would it be possible to share the code to see how your imports and folder structure are doing?

I have some functions in dart, what I needed to do was import them from the dart project name:
pubspec.yaml:
name: my_function

in the archives:
import 'package:my_function/modules/model/any_files.dart’;

For example rootBundle.load("lib/example.txt'')

import 'dart:async' show Future;
import 'package:flutter/services.dart' show rootBundle;

Future loadAsset() async {
return await rootBundle.loadString('assets/my_text.txt');
}

Or if you have the BuildContext (inside a widget) you can use DefaultAssetBundle. This is recommended because it allows switching asset bundles at runtime, which is useful for multilingual assets.

Future loadAsset(BuildContext context) async {
return await DefaultAssetBundle.of(context).loadString('assets/my_text.txt');
}