/**
  * post saving hook. can finish transactions if needed or ajust related data
  *
  * @param oxBase $oShopObject shop object
  * @param data   $aData       data to save
  *
  * @return mixed data to return
  */
 protected function _postSaveObject($oShopObject, $aData)
 {
     $sOXID = $oShopObject->getId();
     $oShopObject->onChange(null, $sOXID, $sOXID);
     // returning ID on success
     return $sOXID;
 }