To start, create a provider class inheriting from `FunctionAuthProvider`.

```dart
class CustomFunctionProvider extends FunctionAuthProvider {
    const CustomFunctionProvider();

    @override
    Future<String?> getLatestAuthToken() async => '[AWS-LAMBDA-AUTH-TOKEN]';
}
```

import warning from "/src/fragments/lib-v1/graphqlapi/flutter/authz/2X_add_plugin.mdx";

<Fragments fragments={{flutter: warning}} />