laravel email verification not working code example

Example: verify type of account laravel

protected function authenticated(Request $request, User $user)
{
    if ($user->admin()) {
        // an admin
        $redirect = '/admin';
    } elseif ($user->manager()) {
        // it's a manager
        $redirect = '/manager/home';
    } else {
        // it's a user
        $redirect = '/dashboard';
    }
    return redirect($redirect);
}