In case there are many quick updates by users, most likely you're interested only in the last (final) update. In that case, you can wait for it and take action only then. Here's a sample code that does that: // pass the last modified value of th...
Additional confusing thing is that if you're inside of one page of the interface, you first need to click "All Pages" in order to go back and be able to see the Interface name and the three dots "..." (and by default you're directed to the first page...
You can now use conditional Rollup, and just COUNTALL(values). In the Field options, click the rather unobvious toggle "Only include linked records that meet certain conditions":
