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Require one answer within group

Question asked by csoper@cityofberkeley.info_berkeley on Apr 7, 2020
Latest reply on Apr 8, 2020 by csoper@cityofberkeley.info_berkeley

I have two questions (cascading selects) within a repeat group. I've limited the repeat to 5, but I also need to require at least one answer (a city). I believe I need to put an expression in the constraint column, but I can't get it to work.

 

I've attached a sample XLSForm that I adapted from the Cascading Selects sample. Any help would be appreciated.

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