How to get values in Advance Layout Designer without using Data source

Hi all,

I want to get the system varible values in advance Layout Designer without using Datasource and what is the function that is used for colsum() in ALD. currently worrkin on SAp Business one 2007 version..system varible values like BED and CESS without using PLD as Data Source. can anyone gibe reply as soon as possible

Thanks in advance.