How to use Block Kit

Block Kit is a UI framework for Slack. A UI framework is the set of interfaces that define elements and the behavior of a user; essentially, the supporting structure of the visual elements of an application. For Slack, this includes things such as buttons and icons that allow your members to interact with a product. Blocks allow you to customize the order and appearance of this information by guiding users through designed blocks: reusable components that can be utilized almost anywhere in Slack.

Blocks are visual components that can be stacked or rearranged any way you like across your Slack workspace to create app layouts. Block Kit is the compilation of these tools by composing layouts for modals, messages, or tabs to design specially structured JSON to express features of an application. JSON uses understandable text to store and transmit data. We know that's a large influx of technical terms. Let's break down the many facets of Block Kit, starting...