Поле ListBitmask с chosen

new fieldListBitmask('field', array(
                    'title'   => 'Название',
                    'generator' => function(){
                        $items = cmsCore::getModel('content')->getContentItems('articles');
                        if ($items) {
                            foreach ($items as $item) {
                                $lists[$item['id']] = $item['title'];
                            }
                    }
                    return $lists;
                   }
                ))

'is_checkbox_multiple' => false

'options'=>array(
                        'is_checkbox_multiple'=> false,
                    ),