docs: public void doValidRecord(boolean bDisplayOption) // init this field override for other value
      {
          Object bookmark = null;
          try   {
              bookmark = this.getOwner().getHandle(DBConstants.BOOKMARK_HANDLE);
          } catch (DBException ex)    {
              ex.printStackTrace();
          }
          this.updateListener(bookmark);
          super.doValidRecord(bDisplayOption);
      }