Alerta para rellenar todos los campos obligatorios

Necesito crear un formulario que no se pueda guardar (o que salte un mensaje de alerta) si no están todos los campos obligatorios rellenados.

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Community Expert

You can't block saving the form. You can display a message at saving.

Participant

Thanks for your help!
Could you tell me how to do it? would it be through JavaScript? or perhaps through an action in the form field itself?

Community Expert

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