protected function GetCacheTrigger($id, $aCallTimeVars = array())
    {
        $aCacheTrigger = parent::GetCacheTrigger($id, $aCallTimeVars);
        if (array_key_exists('oPkgCommentModuleConfig', $aCallTimeVars) && !is_null($aCallTimeVars['oPkgCommentModuleConfig'])) {
            $aCallTimeVars['oPkgCommentModuleConfig']->SetActiveItem($this);
            $aCacheTrigger = array_merge($aCacheTrigger, $aCallTimeVars['oPkgCommentModuleConfig']->GetCacheTrigger());
        }

        return $aCacheTrigger;
    }