Frontend\Modules\Search\Widgets\Form::loadForm PHP Метод

    private function loadForm()
    {
        $this->frm = new FrontendForm('search', FrontendNavigation::getURLForBlock('Search'), 'get', null, false);
        $widgetField = $this->frm->addText('q_widget', null, 255, 'inputText autoSuggest', 'inputTextError autoSuggest');
        $widgetField->setAttribute('itemprop', 'query-input');
    }