It's triggered just like voting on LEO content. Normal voting, normal weights.
I have to apologize that I have far more free time than @markegiles to build logic and API, and he hasn't caught up with what I've been putting together. Our discord bot is updated enough to pull a new and trending list from the APIs.
Currently:
#Bloggingchallenge day 2 - 20 facts about me
Down by the River near the Disc Golf Course
OK cheers, I'll have a play around with it later today!