public function onUserCreateOrEdit(Model $model)
    {
        $this->onUsersList();
        $name = $model->exists ? 'User Edit ' . $model->fullname : 'User Add';
        Breadcrumbs::register('user', function($breadcrumbs) use($name) {
            $breadcrumbs->parent('users-list');
            $breadcrumbs->push($name, '#');
        });
        view()->share('breadcrumbs', Breadcrumbs::render('user'));
    }