use Illuminate\Support\Facades\Auth; $user = Auth::user(); // get the authenticated user $user->attachRole(1); // assign the role with ID 1 to the userIn this example, the `Auth::user()` function retrieves the currently authenticated user, and the `attachRole()` function assigns the role with ID 1 to the user. This function is often part of a larger package or library that provides user authentication and authorization functionality. Common examples include Laravel's built-in authentication system, the Symfony Security component, and the Zend Framework's ACL component.