AsyncAPI How-To
AsyncAPI is an open-source specification for describing and documenting event-driven APIs. AsyncAPI 3.1 is a release of AsyncAPI 3 that adds bindings for Robot Operating System 2 (ROS 2).
For the versions and features that Swagger Studio supports, see AsyncAPI Support.
The AsyncAPI website provides tutorials and a full specification for AsyncAPI:
Coming from OpenAPI - comparing/contrasting OpenAPI and AsyncAPI
If you are using OpenAPI 2.0 (Swagger 2.0), see this tutorial instead. If you are using OpenAPI 3.0, see this tutorial instead.