code: public function getOptionValues($actionID)
      {
          // $actionId might be used in subclasses to provide properties specific to action id
          $properties = [];
          foreach ($this->options($this->action->id) as $property) {
              $properties[$property] = $this->$property;
          }
  
          return $properties;
      }
docs: Returns properties corresponding to the options for the action id
  Child classes may override this method to specify possible properties.
  
  @param string $actionID the action id of the current request
  @return array properties corresponding to the options for the action