Problem: Cube1 has Dimension1 and some measures.

We want to restrict access to Dimension1 based on a
custom security model.

Cube2 has Users and Dimension1 dimensions and a single
measure equal to 1 if the user has access to the Cube2
Dimension1.

What would you put in dialog at Cube Role Manager,
Restricted Dimensions, Dimension1 Custom Settings,
Advanced tab, Allowed Members field so Cube1 queries
would only return tuples the UserName is authorized to
view?