Working with CubesCreating CubesModeling Cube MeasuresAdd Calculated MeasuresMDX ReferenceCSTRVersion: I2023.3.0On this pageCSTR Casts the value to a String. Returns Null if the cast is invalid. Syntax CSTR(Value_Expression) Input Parameters Value Expression Return Value Returns a String. Example Return the member key name as a String. CSTR([Order Date Dimension].[Order Retail445].currentMember.KEY)