---
title: "onBeforeRouteUpdate"
description: "The onBeforeRouteUpdate composable allows registering a route guard within a component."
canonical_url: "https://nuxt.com/docs/4.x/api/utils/on-before-route-update"
---
# onBeforeRouteUpdate

> The onBeforeRouteUpdate composable allows registering a route guard within a component.

::read-more
```yaml [props]
icon: i-simple-icons-vuedotjs
to: https://router.vuejs.org/api/functions/onbeforerouteupdate
title: Vue Router Docs
target: _blank
```
::

---

- [Source](https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/composables/router.ts)


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