namespace App\Http\Controllers;

use Illuminate\Http\Request;

class UsersController extends Controller
{
    private $response;

    public function __construct(AsyncResponse $response)
    {
        $this->response = $response;
    }

    public function onboarding(Request $request)
    {
        ...

        $this->response->redirect('/', 500);

        return $this->response->send();
    }
}