ODK2 - Limitation to multiple selection

(Narendra S Thakuri) #1

I am using multiple select boxes. Can I make a constraint to respond with certain limitation like up to 3 responses?
demogForm.xlsx (18.1 KB)

(Dr. Gareth S. Bestor) #2

Try something like this:

Constraint = count-selected(${my_multi_select}) <= 3

(Narendra S Thakuri) #3

Thanks Xiphware,
I am using ODK2.0. But it throws error message. Could you please guide me.