Yes! I found it again here: https://www.reddit.com/r/iphone/s/3dgV013WXv The shortcut link is at the bottom of the post. You will have to download another app called Actions to unlock the shortcut feature. It’s pretty easy!

The action button is getting much less use than I thought. I even have a special Shortcut I downloaded from someone on reddit giving me a plethora of options, but I haven’t made a big habit of actually pressing the button yet.