II.
HookSurface overview
Reference · livehook-surface:claude.session-start
SessionStart (Claude) overview
Claude Code's SessionStart hook. Fires when a session begins.
Attributes
eventName
SessionStart (Claude)
displayName
SessionStart (Claude)
kind
native
originVendor
Anthropic
direction
event
blocking
false
family
shell-hook
description
Claude Code's SessionStart hook. Fires when a session begins.
Outgoing edges
emits_hook1
- 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-session-start-native·HookMapping