a2a.message.id
DevelopmentGenAI registrystringas of v1.44.0
The unique identifier of the A2A message.
See the A2A specification for the Message object.
Examples
- msg-user-1234
Used by
spans (4)
- a2a.client
- rpc.grpc.call.server
- http.server
- a2a.server
* required on that signal.