ValidTimeState in child table relation in AX 2012 / D365

Hi,

   while select validTimeState(AsOnToday) * from hcmEmployment join hcmWorker
        where  hcmWorker.RecId == hcmEmployment .Worker &&
      hcmWorker.PersonnelNumber == "1269"
    {
        print hcmEmployment .ValidFrom;
    }
    pause;
}

Regards