How does ShowStatusBar from Listpicker (no Listview )work?

Hello
How does ShowStatusBar from Listpicker (no Listview )work?
I check it but it does nothing, nor does it show anything.
I have made a list
Καταγραφή


I thought it would make a side list of letters and numbers for easier searching

Please give me a examble

The properties that you show are from screen1, in list picker's properties you will see ShowFilterBar. Ckeck it and then you will see a search bar and be able to search list