Call VBA function from another project

Call VBA function from another project

Hi all
Senerio: I have many sub projects in my Zenon project. I get Value from PLC that exactly math with a sub project name. then, I have to open a screen from that matching project. what is the best way to do this?
How do I call one Zenon project function from another project VBA module? both projects are in same roof project.

This is a migrated post! Originally posted on 06.11.2013 by user abcd1234. Please be aware that information can be outdated.