---
title: "onBeforeRouteLeave"
description: The onBeforeRouteLeave composable allows registering a route guard within a component.
---

# `onBeforeRouteLeave`

The `onBeforeRouteLeave` composable adds a navigation guard that triggers whenever the component for the current location is about to be left.

::ReadMore{link="https://router.vuejs.org/api/#Functions-onBeforeRouteLeave"}
::