function _get_rel_list_display_name($entity, $rel_name, $direction) { if ($rel_name == 'site_to_theme' && $direction == 'right') { return $entity->get_display_name() . ' (<a href="' . $entity->get_value('base_url') . '" target="_new">public site</a>)'; } return parent::_get_rel_list_display_name($entity, $rel_name, $direction); }