Hi,
I was wondering if there is a clever way to mark a question containing checkbox questions (more than 1 answer possible) mandatory that at least 1 checkbox is ticked.
In the example: I can define an error message for Container 6 if no checkbox out of those three are ticked. I know I can make each single checkbox mandatory, but that's not the point and would be detrimental in my survey case.
![1772124_pastedImage_0.png 1772124_pastedImage_0.png](/t5/image/serverpage/image-id/18119i4592FB5F24CE9811/image-size/large?v=v2&px=999)
Thanks!