UName Element (XMLA)
SQL Server 2012
Contains the unique name of the parent HierarchyInfo or Member element.
For HierarchyInfo elements, the UName element contains the name of the property that provides the unique member names of the hierarchy. The value is equivalent to the MEMBER_UNIQUE_NAME property defined for axis rowsets in the OLE DB for OLAP specification.
For Member elements, the UName element contains the unique name of the parent Member element.