PurchTable purchTable;
NumberSeq numberseq = NumberSeq::newGetNumFromCode(
    PurchParameters::numRefPurchId().NumberSequence,
    true);

purchTable.clear();

purchTable.PurchId = numberSeq.num();
purchTable.initValue();
purchTable.OrderAccount = "0001";
purchTable.initFromVendTable();
purchTable.insert();

numberSeq.used();