Set expression

[#1]

Not reading properly please help on below expression

Dimensions> target date,com-code

Sum({<DATE={'$(=Addmonths (DATE,1))'>}sales)

[#2]

Yes I agreed but currently I can't share.

That's why I posted only expression.

[#3]

Yes I agreed but things are not supposed to share

That's why I posted only my expression where I want to know whether it's correct or not.My apologies!!!

[sunny_talwar]

All I want is dummy raw data which mimics your actual data