Finding codes for shortcut keys on Vizio tvs

My vizio remote has shortcut buttons for netflix amazon and a few others I can grab the commands from these buttons and they work on the flipper but I’m trying to figure out if there is a way to add shortcuts to other apps. I’ve seen other vizio remotes with different shortcut keys but I can’t find the commands for them anywhere. Any suggestions on how to do this other than editing the .ir file and just guessing?

You’ll probably have to find their IR protocol info on the internet and go from there

Any suggestions on how to find that I feel like I just don’t have the right terms to search for.

Try “vizio ir protocol”

My quick Google search showed some results from the arduino forum, that might be useful for you