veritatisdoloremque/docs-exp/database.reference.ondisconnect.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/database](./database.md) &gt; [Reference](./database.reference.md) &gt; [onDisconnect](./database.reference.ondisconnect.md)

## Reference.onDisconnect() method

<b>Signature:</b>

```typescript
onDisconnect(): OnDisconnect;
```
<b>Returns:</b>

[OnDisconnect](./database.ondisconnect.md)