Question on the 3rd option mentioned in the response above>>>>For passing messages to the client based on custom validations done on the server, you need to forward the request back with the required data. If you need to leverage the client side validation on the server, you can enable the server si...

I have a requirement to collect some info from casual visitor to the site (unauthenticated) using AEM Forms. On posting data to backend (custom rest endpoint), there may be some validation failures - in which case, the form should be rendered back to the user with the data filled in (whatever was ju...