private function _getCurrentTabSlug($sCurrentPageSlug)
{
$_sCurrentTabSlug = $this->getElement($_GET, 'tab', $this->oFactory->oProp->getDefaultInPageTab($sCurrentPageSlug));
$_sTabSlug = $this->_getParentTabSlug($sCurrentPageSlug, $_sCurrentTabSlug);
return $_sTabSlug;
}