Use case: I need to implement Steps in the Form. In order to do that I thought of having a custom parsys where I can control what components can be added.

I need to implement custom parsys for AEM Forms. In order to do so first of all I need to understand how the default parsys has been implemented. I went through the /libs/foundation/components/form/end/end.jsp/libs/foundation/components/form/start/start.jspI don't understand how the default parsys i...