II.
HookSurface overview
Reference · livehook-surface:message-received
MessageReceived (canonical) overview
Fires as assistant message text is received for display. Handlers may transform display-only text without changing stored transcript content.
Attributes
eventName
MessageReceived (canonical)
displayName
MessageReceived (canonical)
kind
canonical
direction
event
blocking
false
family
in-process
payloadSchema
type
object
required
- message_id
- delta
properties
turn_id
type
string
message_id
type
string
index
type
integer
final
type
boolean
delta
type
string
description
New assistant message display text delta.
description
Fires as assistant message text is received for display. Handlers may
transform display-only text without changing stored transcript content.
Outgoing edges
None.
Incoming edges
canonicalized_to1
- hook-surface:claude.message-display·HookSurfaceMessageDisplay (Claude)