4 pages for hookspecificoutput.additionalcontext.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Explore the context window
Claude Code CLI · in the page
context-window
…tings.json` runs prettier after every file edit and reports back via `hookSpecificOutput.additionalContext`. That field enters Claude\'s context. Plain stdout on exit 0 does not. It is written to the…
Hooks reference
Claude Code CLI · in the page
hooks
…` | `decision: "block"`, `reason`. Stop and SubagentStop also accept `hookSpecificOutput.additionalContext` for [non-error feedback that continues the conversation](#stop-decision-control) | | Teammat…
Automate actions with hooks
Claude Code CLI · in the page
hooks-guide
…ce for a full breakdown by event. For `UserPromptSubmit` hooks, use `hookSpecificOutput.additionalContext` instead to inject text into Claude's context. Nest `additionalContext` inside `hookSpecificO…
Week 23 · June 1–5, 2026
Claude Code CLI · in the page
whats-new/2026-w23
…ref="/docs/en/hooks">Stop and SubagentStop hooks</a> can return <code>hookSpecificOutput.additionalContext</code> to give Claude feedback and keep the turn going instead of being treated as an error</…