A string being displayed instead of the Properties's name. Can be localized from Properties file using #{propertyname}.
description
String
Description of this calculated member property. Can be localized from Properties file using #{propertyname}.
expression
String
MDX expression which defines the value of this property. If the expression is a constant string, you could enclose it in quotes, or just specify the value attribute instead.
value
String
Value of this property. If the value is not constant, specify the expression attribute instead.