Yes/NO multiple answer

Hello everyone
I wanted to make the selection of modalities (answer) compulsory for the following question:

I9.How do you (or your children) relate to their teachers?

see attached

I want to put a condition which makes it possible to necessarily answer all the modalities by ** YES ** or ** NO **
without leaving a modality

thank you

Hello @bayemanel,

Try using this validation:
self.Missing.Length == 0

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Thank you a lot
best regards

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il faut essayer ├ęgalement la syntaxe suivante : !self.Missing.Any()

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