`

    import quickfix

    def sendOrderCancelRequest:
    	message = quickfix.Message();
    	header = message.getHeader();

    	header.setField(quickfix.BeginString("FIX.4.2"))
    	header.setField(quickfix.SenderCompID(TW))
    	header.setField(quickfix.TargetCompID("TARGET"))
    	header.setField(quickfix.MsgType("D"))
    	message.setField(quickfix.OrigClOrdID("123"))
    	message.setField(quickfix.ClOrdID("321"))
    	message.setField(quickfix.Symbol("LNUX"))
    	message.setField(quickfix.Side(Side.BUY))
    	message.setField(quickfix.Text("Cancel My Order!"))

    	Session.sendToTarget(message)

`