code: public function getFilterParameterNames(\DC_Table $objDc)
      {
          $return = array();
          $filter = $objDc->activeRecord->metamodel_filtering;
  
          if (!$filter) {
              return $return;
          }
  
          $collection = $this->filterFactory->createCollection($filter);
  
          return $collection->getParameterFilterNames();
      }
docs: Get attributes for checkbox wizard.
  
  @param \DC_Table $objDc The current row.
  
  @return array