Returns only the most recent cube comment for a given cross section of the cube. 

XL3LastCubeComment( Connection, [Hierarchy1], [Member1],…, [Hierarchy100], [Member100] )

ParameterDescription
ConnectionConnection number to use
Hierarchy1,…, HierarchyNName of the hierarchy that the member applies to for example, "Measures" or "[Customer].[Customer Geography]".
Member1,…, MemberNEither a single member's unique name or an XL3Member formula.