Listing submitted items under user account

Hi,

Sorry if I'm being dumb but just cannot get my head around how to add submitted items to User Account page.
I have followed your Zero App and Submission Page blog, which are easy to follow, but missing one thing. You have many items to choose from App in Submission Form like Properties, Events, while I only have one is Zero App.

I guess you can define an App but no idea how. Or maybe I'm missing something?

So I want to add submitted items to My Account (user account) for like a ticket system to support my clients, where they can see their own submitted items and also the answer to it. Is this possible please?

Thank you
Kind regards
Attila

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