HIERARCHY.COUNT.ELEMENTS
This formula returns the number of elements in a specified hierarchy.
Syntax
=MDX.GET(Database Alias, Cube, "Hierarchy"&".AllMembers.Count")
Arguments to this function can be strings, or references to cells containing strings. If strings, they must be enclosed in quotes.
Example
This formula returns the total number of elements in the Product hierarchy:
=MDX.GET("Best Practices OLAP", "ANALYSIS", "[PRODUCT]"&".AllMembers.Count")