protected function parseData($data)
 {
     $this->id = intval($data['_attributes']['id']);
     $this->title = $data['_attributes']['title'];
     $this->fields = array();
     if (array_key_exists('field', $data)) {
         foreach ($data['field'] as $custom_field_data) {
             $this->fields[] = kyCustomField::createByType($this, $custom_field_data);
         }
     }
 }