Pagekit\System\Controller\AdminController::adminMenuAction PHP Метод

    public function adminMenuAction($order)
    {
        if (!$order) {
            App::abort(400, __('Missing order data.'));
        }
        $user = User::find(App::user()->id);
        $user->set('admin.menu', $order);
        $user->save();
        return ['message' => __('Order saved.')];
    }