custom number seq

NumberSequenceCode numberSequenceCode,numberSequenceCodeVoucher;
Numberseq          numberseqLocal,numberseqVoucher;

 localSalesTable = salesParmTable.salesTable();
    numberSequenceCode = Alle_ARBusinessUnitNumberSeq::find(localSalesTable.Alle_BusinessUnit).CustomerInvoice;
    numberSequenceCodeVoucher = Alle_ARBusinessUnitNumberSeq::find(localSalesTable.Alle_BusinessUnit).CustomerInvoiceVoucher;

 numberseqLocal = NumberSeq::newGetNumFromCode(numberSequenceCode,NumberSeqScopeFactory::createDefaultScope(), true,true);
    numberseqVoucher = NumberSeq::newGetNumFromCode(numberSequenceCodeVoucher,NumberSeqScopeFactory::createDefaultScope(), true,true);
    custInvoiceJour.InvoiceId        = numberseqLocal.num();
    custInvoiceJour.LedgerVoucher        = numberseqVoucher.num();