Hidden Option on Checkbox Field if Nothing Selected [RESOLVED]


We have decided to move our mailing list opt-in field to a single checkbox (‘Opt-In’).
If a user does not select anything, we would like this to register as an ‘Opt-Out’.

Does anyone have any suggestions as to how to achieve this?


What are you using for the mailing list functionality, and where do you want to record that this submission was an ‘opt out’?

Hi Chris,

We are using Dynamics for both.
I solved it by having an Opt-Out field hidden by CSS, that also had a dynamic condition of hide this field if the value was selected in the visible Opt-In field.


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Thank you for the update.