To filter aux table values with the fact table values

[mpataki32]

I have a request that to show only the values in the filter which can be found in my fact table, in a nutshell:

My problem is that I can't use bi-directional relationships between the tables (in other words: I can't connect them on the modelling pane). 

So I would like to create a DAX measure with USERELATIONSHIP which will return for my slicer the values which can be found in the fact table, but "translated" it with the aux table's Name field. 

[sevenhills · Accepted solution]

I am not sure userelationship works in your way of explanation. Assuming you dont want to create relationships and want the text value from another table.

note: Relationships - active, inactive are always preferred approach. 

Calculated column approach:

Name Column = LOOKUPVALUE(P123_AuxTable[Name], P123_AuxTable[ID], P123_FactTable[ID])

Measure approach:

Name Measure = 
var _selVal = SELECTEDVALUE(P123_FactTable[ID])
var _name = calculate(Max(P123_AuxTable[Name]), P123_AuxTable[ID] = TREATAS( { _selVal }, P123_AuxTable[ID]))

return _name  

Data:

FYI: I added ID "99" to check the outlier. 

Output:

Hope this helps!