how to write more values in script?

[#1]

hi guys ,

i write an expression like this sum({$<year={2002},category={mobile}>}this expression have only two values but i need to write more values in this expression but i do not know how to write more values in expression.please tell me out how to write more values in expression.

Regards:

madhu

[#2]

@madhu - may be you should go through and learn basic set analysis syntax

Set Analysis: syntaxes, examples