Messages in Slack can be infused with structured metadata about events that happen in your services.
Slack apps and Workflows can react to those events, spurring helpful automations in Slack with your service at the center.
Send messages with metadata when things happen in your service. Anyone can use those events to alert and inform their own Slack apps, integrations, and workflows.
React to the appearance of specific types of Message Metadata as a trigger for your own apps and workflows. Connect your service to other services, using Slack as the interface.