Checkout this repository and run
npm install
node src/index.js
Create a file core-token containing an API token in the project directory. It will be consumed by the slack-events-catcher to be used in API calls.
Use ngrok to start a tunnel and keep the window open
ngrok http 3000
In the Slack App, navigate to :
Interactivity & Shortcuts: set the Request URL as<Ngrok URL>/slack/interactiveEvent Subscriptions: set the Request URL as<Ngrok URL>/slack/eventsSlash Commands:/projet-cagnotte|<Ngrok URL>/slack/events|Hello, world !|[hello]