[pitersky]

например так

[DataEventHandler(tableStr(SMAServiceOrderTable), DataEventType::FinalInsertValidation)]
    public static void SMAServiceOrderTable_onFinalInsertValidation(Common sender, DataEventArgs e)
{
    SMAServiceOrderTable table = sender as SMAServiceOrderTable;
    HcmWorker                    worker = HcmWorker::find(table.HcmWorkerResponsible);
}