How do I connect a TextBox/SearchBar to a ListPicker?

[WorkerL]

The only problem I have is how to program a TextBox to be 'connected' to a ListPicker so the User can be able to search letters, words, etc. I feel like I'm kind of on the right path, but I want a bit of help to understand this TextBox + ListPicker situation.
This is what I have. (If the image doesn't show, then it means I have another problem. [How to add images to New Topic])

[Kevinkun]

how to upload photo:

or copy (Ctrl+C) the phot from your PC, then press here and paste here (Ctrl +V).

[TIMAI2]

Revival - Italo's Custom Listview Filter Bar - with Clock

With all links to Italo's guide on the above lost from appyBuilder and Thunkable, I thought I would put up a remix of the original blocks, with an aia project example. This uses a clock timer instead of a textbox extension. The only change I have made is to add an extra conditional check: does the last textbox content equal the current textbox content (if so, do nothing), to cut down on unnecessary processing. This also ensures that listview selections above the last one can be made. Clock timer…