Qlik Sense Only Function is not working

[Anonymous]

I have Tried the Only Function in Dimension.

It Showing the Invalid Dimension but expression is ok.

Please suggest any other alternative.

[Chanty4u]

can you shre your expression?

[Chanty4u · Accepted solution]

have tried like this?

=aggr(only({<Dim={'Value'}>} ID),Dim1)

[Anonymous]

Only({<Table_Name={'T1'}>} ID_Name)

[Chanty4u]

in dimension 

expresion always with aggr will work.