Since release 3.19.0, ACS AEM Commons provides the functionality to show/hide dialog fields and tabs using dropdown selection or checkbox selection or the combination of both. Moreover, a required field validator is also available which applies validation only when the field is visible.ACS AEM Commo...

Hi,You can register your servlet with the resource type of the page plus a unique selector. For more information, check the Apche Sling documentation: Apache Sling :: Servlets and Scripts

In case, someone stumbles at this post and is still wondering how to exactly skip required field validation for hidden fields, can look at my blog post about it.AEM Touch UI required field validation that works with show/hide of dialog field