"create database directly in Firebase from app inventor" I want to make class (real-time database on Firebase as class use handphone) n then i want to copy the link but i Can't use handphone

[TIMAI2]

See here:

Como crear un FIREBASEURL dinámico?

If you want to use the built-in Firebase component, you will need a paid extension to be able to change the firebase URL Firebase Addon Extension (to be sponsored) by Carlos Pedroza you may need this extension as well: Firebase Authentication Extension V3 by Mirxtrem Apps . . Alternatively, you can work with html and the Firebase REST API Firebase Authentication with Web component and HTML