> For the complete documentation index, see [llms.txt](https://minwork.gitbook.io/react-interval-hook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://minwork.gitbook.io/react-interval-hook/advanced/options/callbacks/on-finish.md).

# On finish

#### Name

`onFinish`

#### Type

`() => void`

#### Default value

`undefined`

#### Description

Called after timer is stopped (by [stop method](/react-interval-hook/advanced/hook-result-controls.md) or due to component unmount)