public function getTag()
{
$action = function ($element, $elementName, $elementDesc) {
$log = usingLog()->startAction("retrieve the tagname of the {$elementDesc} '{$elementName}'");
$log->endAction("tag is: " . $element->name());
return $element->name();
};
return new SingleElementAction($action, "getTag", $this->getTopElement());
}