public function attributes()
{
// add related fields to searchable attributes
return array_merge(parent::attributes(), ['idemployee.employee_id', 'idemployee.iddolzh.dolzh_name', 'idemployee.idpodraz.podraz_name', 'idemployee.idbuild.build_name', 'idemployee.idperson.auth_user_fullname']);
}