Using custom function VBA in custom field of pivot-table

Question

When I try to use custom function (written on VBA), in custom field of pivot table excel give me an error: "Element not found."

Function code:

Function testfunc(keks)
   testfunc = keks * 2
End Function

On the worksheets this little function work fine.

Answer 1

数据透视表不适用于自定义功能，仅适用于默认功能。