How do you learn to build Discourse plugins?

[codinghorror (Jeff Atwood)]

@j127

I want to override the log out functionality on Discourse (to add a POST request to another URL on-logout) but don’t know where to look

Isn’t this already covered by the built in webhooks, in Admin, API, webhooks? We should have an on-user-logout webhook built in if we don’t already cc @tgxworld