---
title: useOnDisconnectUpdateMutation
---

Queue a multi-path `update` to run when the client disconnects.

## Usage

```tsx
import { ref } from "firebase/database";
import { useOnDisconnectUpdateMutation } from "@tanstack-query-firebase/react/database";

const userRef = ref(database, `users/${uid}`);
const { mutate } = useOnDisconnectUpdateMutation(userRef);
mutate({ status: "offline", lastSeen: Date.now() });
```