displayName
Cohere chat-stream / message-start
messageType
StreamEvent
subtype
none
direction
core-to-user
terminal
false
errorCategory
none
payloadSchema
type
StreamEvent
fields
- type=message-start
- id
- delta(role)
description
First event in a Cohere v2 chat-stream. Carries the assistant message
id and a delta with `role: assistant`.