II.
ProtocolMessage overview
Reference · liveprotocol-message:assistant-message
SDKMessage / AssistantMessage overview
Model-emitted assistant turn, possibly containing text / thinking / tool_use content blocks.
Attributes
displayName
SDKMessage / AssistantMessage
messageType
AssistantMessage
subtype
none
direction
core-to-user
terminal
false
errorCategory
none
payloadSchema
type
AssistantMessage
fields
- content
- model
- stop_reason
description
Model-emitted assistant turn, possibly containing text / thinking /
tool_use content blocks.
Outgoing edges
None.
Incoming edges
emits_message_type3
- agent-core-impl:claude-agent-sdk.core@current·AgentCoreImplClaude Agent SDK Core (current)
- agent-core-impl:claude-code.core@1.x·AgentCoreImplClaude Code Core (1.x)
- provider:anthropic·ModelProviderProductAnthropic