Another good suggestion!! We do certainly have plans and are working on to improve the form builder to allow users to configure such auto calculations in a simplified manner.  

Thanks again for your feedback!!

This is available in 7.2.

can you elaborate how can we achieve this in 7.2 ?

Hello,

Thank you for your question. This link may provide more information.

https://pdn.pega.com/sites/pdn.pega.com/files/help_v721/procomhelpmain.htm#rule-/rule-declare-/rule-declare-expressions/new.htm

Thanks,

Maryrita Styer

Community Manager

Hi,

In 7.2 you can create a calculated field that is either a custom calculation or uses one of hte aggregate functions such as Sum, Min, Max, or Average.

Here is an example:

Thanks,

Dennis

Hi chuat,

Please give the context of the page list and the subscript in the expression builder of the declare expression. Then check it might be work.

Thank you.