Storing User Data Separately with Firebase

Hi Thunkers !

I am working on an app and am having some trouble figuring out how I can store user data separately using a firebase real-time database. I have read through all the Thunkable docs and watched a lot of videos but cannot find a clear explanation of how to store data that is inputted by a user in my Thunkable app in a firebase real-time db under their specific user id. Any assistance, tips or resources would be greatly appreciated!

Thank you

Check this one out

Beaver Tracker - Fun Demo Project for the New Year