Hooks reference changedhooks
Nearest release: v2.1.317, published an hour after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 2 Nov 2026 22:34 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 2 Nov 2026 22:37 UTC.
Upstream edited
Recorded here
Lines+3added
Lines−3removed
From line
576
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits127to this page, all time
The whole hunk
from line 576, old and new numbered
/
This page is larger than the 256 KiB this site keeps, so one side of the diff below stops where the stored text does.
from line 576
576576| Field | Required | Description |
577577| :- | :- | :- |
578578| `prompt` | yes | Prompt text to send to the model. Use `$ARGUMENTS` as a placeholder for the hook input JSON. Escape with a backslash to include literal text: `\$1.00` renders as `$1.00` |
579| `model` | no | Model to use for evaluation. Defaults to the model Claude Code uses for [background functionality](https://code.claude.com/docs/en/costs.md#background-token-usage) |
579| `model` | no | Model to use for evaluation. Defaults to the model Claude Code uses for [background functionality](https://code.claude.com/docs/en/model-config.md#environment-variables) |
580580
581581### Reference scripts by path
582582
from line 3836
38363836
38373837Your `content` replaces the user's whole `content` object, so include the fields you aren't changing. Return `action` along with it, because Claude Code ignores a `hookSpecificOutput` that has no `action`.
38383838
3839ElicitationResult hooks also run when the user declines or cancels, and your `action` replaces theirs. Check tha
3839ElicitationResult hooks also run when the user declines or cancels, and your `action` replaces theirs. Che
No line in this hunk matches that.