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Constraint on select_multiple answers

Question asked by n.ueberschaeresri-rw-esridist Employee on Jan 16, 2019
Latest reply on Jan 22, 2019 by matfeltner

I wonder how I can check on not allowed combinations of select_multiple answers. 

 

For example: I have a list of multiple choices (category): none, covered, uncovered, vip. If none is checked, the others should not be applicable, for the others any combination is possible. It seems awkward to list all possible combinations as a constraint.

I was thinking of something like  if(selected(${category},'None') then count(${category}) has to be 1 but how do I put this as a constraint?

 

Thanks in advance!

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