---
lang: en
title: 'API docs: socketio.socketioserver.start'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/extensions/socketio
permalink: /doc/en/lb4/apidocs.socketio.socketioserver.start.html
---

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[Home](./index.md) &gt; [@loopback/socketio](./socketio.md) &gt; [SocketIoServer](./socketio.socketioserver.md) &gt; [start](./socketio.socketioserver.start.md)

## SocketIoServer.start() method

Start the socketio server

**Signature:**

```typescript
start(): Promise<void>;
```
**Returns:**

Promise&lt;void&gt;