II.
HookSurface overview
Reference · livehook-surface:claude.message-display
MessageDisplay (Claude) overview
Claude Agent SDK MessageDisplay hook. Fires for batches of assistant message text as they are displayed and can replace the display-only delta.
Attributes
eventName
MessageDisplay (Claude)
displayName
MessageDisplay (Claude)
kind
native
originVendor
Anthropic
direction
event
blocking
false
family
shell-hook
description
Claude Agent SDK MessageDisplay hook. Fires for batches of assistant
message text as they are displayed and can replace the display-only delta.
Outgoing edges
canonicalized_to1
- hook-surface:message-received·HookSurfaceMessageReceived (canonical)
emits_hook2
- agentVersion:claude:ge-0-0-0·AgentVersionClaude Code
- agentVersion:claude:ge-0-0-0·AgentVersionClaude Code
Incoming edges
exposes1
- agent-runtime-impl:claude-code.runtime@1.x·AgentRuntimeImplClaude Code Runtime (1.x)
maps_hook1
- hook-mapping:claude-message-display-native·HookMapping