AX 2012: Using X++ Get the NumberSeq and Voucher for LedgerJournalTrans Table

LedgerJournalNameId     journalName = "VENPM";

NumberSeq numberseq;

numberseq  =  NumberSeq::newGetVoucherFromId((LedgerJournalName::find(journalName ).NumberSequenceTable));

ledgerJournalTrans.Voucher = numberseq.voucher();