I have not reviewed the latest GDL dev kit, but AFAIK, MVO info (and most other model info that is otherwise accessible by the general API sdk) cannot be accessed via a GDL add-on. If that's still the case, then this probably isn't a quick job since some wizardry would be required...
Karl
One of the forum moderators
AC 28 USA and earlier • macOS Sonoma 14.7.1, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB