public function getAll($lang = "")
    {
        $orderBy = (isset($_GET['order'])) ? $orderBy = $_GET['order'] : 'customFieldGroupID';
        $orderType = (isset($_GET['type'])) ? $orderType = $_GET['type'] : 'DESC';
        return CustomFieldGroup::orderBy($orderBy, $orderType)->paginate(CustomFieldGroup::$rowsPerPage);
    }