II.
ProtocolMessage overview
Reference · liveprotocol-message:openai-response-output-text-delta
OpenAI Responses / response.output_text.delta overview
Per-token text delta for a streaming assistant message — Codex CLI renders these to stdout incrementally.
Attributes
displayName
OpenAI Responses / response.output_text.delta
messageType
StreamEvent
subtype
none
direction
core-to-user
terminal
false
errorCategory
none
payloadSchema
event
response.output_text.delta
fields
- output_index
- delta
description
Per-token text delta for a streaming assistant message — Codex CLI
renders these to stdout incrementally.
Outgoing edges
None.
Incoming edges
emits_message_type3
- agent-core-impl:codex.core@1.x·AgentCoreImplCodex CLI Core (1.x)
- agent-core-impl:codex-sdk.core@current·AgentCoreImplCodex SDK Core (current)
- provider:openai·ModelProviderProductOpenAI