React to events with a mod changedplugins/mods/events
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Upstream edited this page at 26 Oct 2026 16:46 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 26 Oct 2026 17:07 UTC.
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374374### Handle the settings hook events
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376Settings hooks are the command, HTTP, prompt, and agent hooks you configure in settings files. Each [settings hook event](https://code.claude.com/docs/en/hooks.md#hook-events), such as `Stop`, `SessionEnd`, or `PostToolUse`, is also an event named `classic.` followed by the settings hook event's name, such as `classic.Stop`. `e` is the JSON a settings hook receives on stdin, including `transcript_path`.
376Settings hooks are the command, HTTP, prompt, and agent hooks you configure in settings files. Each [settings hook event](https://code.claude.com/docs/en/hooks.md#hook-events), such as `Stop`, `SessionEnd`, or `PostToolUse`, is also an event named `classic.` followed by the settings hook event's name, such as `classic.Stop`. `e` is the JSON a settings hook receives on stdin, including `transcript_path`. Where the [built-in guard](https://code.claude.com/docs/en/plugins/mods/admin.md#know-what-happens-by-default) loads, [a hook on these events in a mod you install doesn't run](https://code.claude.com/docs/en/plugins/mods/admin.md#hooks-the-guard-passes-over).
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378378This hook uses `Stop`, which fires when Claude finishes responding, to log where the session's transcript is saved:
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