Automate actions with hooks changedhooks-guide
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474474## How hooks work
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476Claude Code fires hook events at specific points in its lifecycle. When an event fires, Claude Code runs all matching hooks in parallel; see [Hook handler fields](/docs/en/hooks#hook-handler-fields) for how duplicate handlers are treated. The table below shows each event and when it triggers:
476Claude Code fires hook events at specific points in its lifecycle. When an event fires, Claude Code runs the matching hooks in parallel; see [Hook handler fields](/docs/en/hooks#hook-handler-fields) for how duplicate handlers are treated. The table below shows each event and when it triggers:
477477
478478| Event | When it fires |
479479| :- | :- |
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