How to return the Enum value

Finance and Operations/AX Developer Forum
1

How to return the Enum value i try many its show error plz tell how return by display methos i try to return it directly but not use. [Moved from title by moderator]

display PurchaseBy PurchByShow()
{
PurchLine purchline;
VendPackingSlipJour vendpackingslipjour;
VendPackingSlipTrans vendpackingsliptrans;
str enumval;
//ttsBegin;

select PurchaseBy from purchline
 join vendpackingslipjour
 join vendpackingsliptrans
 where purchline.PurchId == vendpackingslipjour.PurchId
 && vendpackingslipjour.PackingSlipId == vendpackingsliptrans.PackingSlipId;

enumval = enum2Str(PurchaseBy purchline.PurchaseBy);

return enumval;
}