Create Purchase Requsition - PR by X++

static void Create_PR(Args _args)
{
    axPurchReqTable axPurchReqTable = new axPurchReqTable();
    axPurchReqLine  axPurchReqLine  = new axPurchReqLine();
;
    axPurchReqTable.parmPurchReqId();
    axPurchReqTable.parmPurchReqName("Testing create PR");
    axPurchReqTable.parmInventSiteId("SiteID");
    axPurchReqTable.parmInventLocationId("WarehouseID");
    axPurchReqTable.save();
   
    axPurchReqLine.parmPurchReqId(axPurchReqTable.parmPurchReqId());
    axPurchReqLine.parmItemId("ItemCode");
    axPurchReqLine.parmCurrencyCode("Currency");
    axPurchReqLine.parmPurchQty(Qty);
    axPurchReqLine.save();
}