Thanks to FEDERICO VITICCI from Mac Stories (and some Google searching), I share the below with y'all 'Pro' people here:
Not on the 15 Pro plane yet? Check out the following video from Snazzy Labs for ways to have an Action Button-like experience among other phones among the Apple lineup (such as using the 'BackTap' feature!)
, where he also shows off a plethora of community shortcuts.
(See YouTube description box for download links to those.)