How to combine 2 Vlookups with if else Statement

[Anonymous]

Hey Guys sorry for bothering but im struggling.

I have 2 Tables and use a Vlookup to get the right number. The Vlookups have addtionally a Filter because i have dublicates.

I the i wanna create a DAX Function like that.
If(Column1 = "AA" then LOOKUPVALUE(multiple conditions(Client, Date) else LOOKUPVALUE(multiple conditions(Client, Date)

My Problem is the Filter topic after the LOOKUPVALUE(multiple conditions; Filter, "AA") because i dont get the Values which arent Filtered. The Problem which i have are the Duplicates in the Dataset. So i need an Identifier.

New Column = Client + Date = is not unique

New Column = Client + Date (Filter by "AA") = Unique But Client + Date (Filter by "BB") is missing in New Column

Any Other suggestions how i can solve the Problem ?

[v-frfei-msft]

Hi @Anonymous ,

Kindly share your sample data and excepted result to me if you don't have any Confidential Information. Please upload your files to One Drive for Business and share the link here.