Returns a cube cell value for a given cross section of the cube. Allows the formula to be typed on to perform a writeback operation for the given tuple.

Use the Insert Formula > Value menu or ribbon item to insert the formula using a wizard. 

XL3LookupRW( Connection, [Hierarchy1], [Member1],…, [Hierarchy100], [Member100] )

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

Based on the Bicycle Sales cube, Revenue 2004.

=XL3LookupRW( 1, "[Time]", "[Time].[2004]", "[KeyFigures]", "[KeyFigures].[Revenue]" )