Maybe you can also figure it out quickly, you basically need to search spotlight for "BetterTouchTool" or things like "Run Named Trigger" (then you can set quick keys for the commands)
The big UI integration Apple once announced at WWDC just does not work on macOS Tahoe (I have reported it to Apple, but it seems to be intentionally left out) and barely works on iOS. It is one of the reasons why I'm creating the integrated launcher now:
