Slack is a popular messaging app used by over 750,000 companies including 65% of the Fortune 100 companies. Did you know you can do more than just send text messages with the odd image or emoji? It's possible to create a rich interactive UI using Slack's Block Kit UI framework. In this session we'll build a simple hot-desk booking bot with Node.js where you'll learn how to respond to events from your controls and adjust the displayed message.