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Agentic AI Atlas · Cohere chat-stream / message-start
protocol-message:cohere-message-starta5c.ai
II.
ProtocolMessage overview

protocol-message:cohere-message-start

Reference · live

Cohere chat-stream / message-start overview

First event in a Cohere v2 chat-stream. Carries the assistant message id and a delta with `role: assistant`.

ProtocolMessageOutgoing · 0Incoming · 1

Attributes

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`.

Outgoing edges

None.

Incoming edges

emits_message_type1