AX2012 pass parameter between forms :: args.parm()

pass parameter in formA

public void addColor()
{
    Args                    args = new Args();
    FormRun                 formRun;
    ;
    if(ItemIdEdit.valueStr())
    {
        args.name(formStr(GAR_AddColor));
        args.caller(element);
        args.record(InventTable::find(ItemIdEdit.valueStr()));
        args.parm(FinalBuyerEdit.text() + "," + LabelEdit.text() + "," + SeasonEdit.text());
        formRun = ClassFactory.formRunClass(args);
        formRun.init();
        formRun.run();
        formRun.wait(true);
    }
    else
    {
        throw error("select item first!");
    }

}

get parameter in FormB

    if(element.args().parm())
    {
        callerFormRun = element.args().caller();
        if(callerFormRun.name() == formStr(GAR_MaterialCreateForm))
        {
            salesPipeLineStr = element.args().parm();
            salesPipeLineCon = str2con(salesPipeLineStr, ",");
            if (conLen(salesPipeLineCon) >= 3)
            {
                TEX_BAS_FinalBuyerCode.text(conPeek(salesPipeLineCon, 1));
                TEX_BAS_LabelId.text(conPeek(salesPipeLineCon, 2));
                TEX_BAS_SeasonCode.text(conPeek(salesPipeLineCon, 3));
            }

        }
    }