Detailed instructions on expanding the dialog?

I don't know how to get the dialogue extension to work, the tutorial is way too short and it's like at least a few years old so its probably outdated because it does not mention a lot of stuff. Does anybody know a full easy to understand comprehensive tutorial for it anywhere?

The discord server is more active nowadays, so it's best to ask there: https://community.stencyl.com/index.php/topic,48592.0.html

And alternatively there are other dialog options you can consider beyond the extension: https://luyren.itch.io/luyrens-cutscene-resource-pack