Using Roster variables in enablement condition

I want to use the list options from a single select question from a roster to enable another section of the survey. so for eg I want to ask questions about a family but only if any household member is has a masters degree.
my pseudo code is
for any row of member roster (if highest degree = 4(master)) open section

I haven’t figured out the roster part yet.

Thanks for any help.


Members.Count (m=>m.educ==4)>0