Did someone have resource/ template for twitch integration in Construct3 ?

I found out.

In case some other people are in trouble, this is an example for how to retrieve the last message and his user username (You just have to put your own Twitch oauth key) (Also note that here I try on my channel : dominoxpizza):

PS: you need to ping Twitch from time to time if you don't want to be disconnected.

I also started looking at this topic today, although I'm not interested in sending chat messages, only receiving them. Twitch allows anonymous "read only" connections, so there's no need to get an Oauth key in this case. This implementation also includes the PING/PONG keepalive stuff that Twitch requires.