module/FzyCommon/src/FzyCommon/Service/Search/Base/DQL.php
protected function getDataTablesSortColumn(Params $params)
    {
        $column = $params->getWrapped('order')->getWrapped(0)->get('column', 0);

        return $params->getWrapped('columns')->getWrapped($column)->get('data');
    }
protected function getDataTablesSortColumn(Params $params)
    {
        $column = $params->getWrapped('order')->getWrapped(0)->get('column', 0);

        return $params->getWrapped('columns')->getWrapped($column)->get('data');
    }
Returns the column name selected for the sort
@param  Params     $params
@return array|null