Hi,
It sound does not make scene but just make impossible to be possible that is the way software programming did.
So why FF can't be return TabBar Text Value? Yes, it return only index but what if we need to update App Bar when we click on each TabBar?
Ex: when click on Tabbar that has text value (Example 1) than I need this value update to App Bar?
Below is can set TabBar Current Index only but not Text Value.
Result example:
