Create Purchase Requisition through x++

Here is the code for creating purchase requisition through x++

public static void createPurchaseReq (Args _args)
{
    PurchReqTable   purchReqTable;
    PurchReqLine    purchReqLine.;
 
    purchReqTable.clear();
    purchReqTable.initValue();

    purchReqTable.PurchReqId    =                                NumberSeq::newGetNum(PurchReqTable::numRefPurchReqId()).num();
    purchReqTable.PurchReqName  = 'Requisition';

    purchReqTable.insert();

    purchReqLine.clear();
    purchReqLine.initValue();

    purchReqLine.InventDimId = 'Dim-0001';
    purchReqLine.LineNum     = 1;

    purchReqLine.initFromPurchReqTable(purchReqTable);

    purchReqLine.ItemId              = 'Test-001';
    purchReqLine.BuyingLegalEntity   = CompanyInfo::find().RecId;
    purchReqLine.InventDimIdDataArea = curext();
    purchReqLine.PurchQty            = 2;

    purchReqLine.modifiedField(fieldNum(purchReqLine,ItemId));
 
    purchReqLine.insert();
 
}