GameMaker (version 4… in 2001, man I’m getting old) had a similar system. It’s also what got me into programming, as I could also attach my own scripts to event

GameMaker (version 4… in 2001, man I’m getting old) had a similar system. It’s also what got me into programming, as I could also attach my own scripts to event triggers (and sets of event triggers, in a linear visual GUI logic way), and so I learned GML as my first programming language.