Backend\Modules\Profiles\Actions\Groups::loadForm PHP Метод

    private function loadForm()
    {
        // create form
        $this->frm = new BackendForm('filter', BackendModel::createURLForAction(), 'get');
        // add fields
        $this->frm->addText('name', $this->filter['name']);
        // manually parse fields
        $this->frm->parse($this->tpl);
    }