Development Help: How to subscribe lita to events?

[lizgene]

I'm having trouble finding documentation on how to implement Slack event subscription with lita. Does anyone have some example code? Specifically, I'd like lita to perform an action on the reaction_added event.

Right now, I've pretty much been relying on routes like this:

route(/:news:/, :save_news, help: { ":news:" => "Save a message for today's news brief."})
def save_news(response)
  save_message(response)
  response.reply("Message saved!")
end

[lizgene]

Nvm, I got it! Closing.

on :slack_reaction_added, :greet

def greet(payload)
  target = Source.new(room: payload[:room])
  robot.send_message(target, "Hello #{payload[:room]}!")
end