How to "require" a checkbox is answered

A checkbox question can't be required, but you can force the user to go back if it's not answered.

By NetDocuments

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Checkbox questions can not be technically required because any single checkbox value can be left unchecked, which means all checkbox values can be left unchecked.

You can, however, force the end-user to go back by displaying a Final Block if the checkbox question "is all false", meaning not a single checkbox value was checked.

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