I'm trying to customize a list form using JSON.

The thing is I need to hide some fields depending on a value in a choice field (this I managed and it works) but I need those fields to be mandatory when they show up.

Does anyone know if this is possible?

(If I set the field as mandatory in the field's options, the formula is removed by the system and the field shows up on the form).

1 Answer 1


As per my understanding, currently this is not possible using JSON customizations.

If field is required, you cannot hide it conditionally using formula.

  • 1
    Hello, thanks a lot for your answer. hmm ..ok :-(
    – Kaddrik
    Feb 5, 2021 at 18:07

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