Копирование полей из шапки в строки

        default:
            lineUpdateDescription =  fieldid2pname(tablenum(PurchTable), fieldExt2Id(this.fieldId()));
            if(! lineUpdateDescription)
                throw error(strfmt("@SYS19306",funcname()));

server static void initiate(boolean _force = false)
{
    PurchTable2LineParameters   purchTable2LineParameters;
    container                   header2LineFieldIds;
    int                         pos = 1;

    if (_force || !PurchTable2LineParameters::initiated())
    {
        header2LineFieldIds = PurchTable2LineParameters::header2LineFieldIdList();

        ttsbegin;

        while (pos <= conlen(header2LineFieldIds))
        {
            if(! PurchTable2LineParameters::find(conpeek(header2LineFieldIds, pos)))
            {
                purchTable2LineParameters.clear();
                purchTable2LineParameters.initValue();
                purchTable2LineParameters.FieldId           = conpeek(header2LineFieldIds, pos);
                purchTable2LineParameters.Table2LineUpdate  = TradeTable2LineUpdate::Prompt;
                purchTable2LineParameters.insert();
            }
            pos++;
        }

        ttscommit;
    }
}

    AxGenerateAxBCClass     axGenerateAxBCClass;
    ;
    
    axGenerateAxBCClass = AxGenerateAxBCClass::newTableId(tableNum(PurchTable));
    axGenerateAxBCClass.run();

    this.setAxPurchTableFields();

    if (this.isAxPurchTableFieldsSet() || this.axPurchTable().isFieldModified(fieldnum(PurchTable, <>)))
    {
        this.parm<>(this.axPurchTable().parm<>());
    }