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

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[Home](./index.md) &gt; [@loopback/socketio](./socketio.md) &gt; [socketio](./socketio.socketio.md) &gt; [socket](./socketio.socketio.socket.md)

## socketio.socket() function

<b>Signature:</b>

```typescript
function socket(): (target: Object, member: string | undefined, methodDescriptorOrParameterIndex?: number | TypedPropertyDescriptor<any> | undefined) => void;
```
<b>Returns:</b>

(target: Object, member: string \| undefined, methodDescriptorOrParameterIndex?: number \| TypedPropertyDescriptor&lt;any&gt; \| undefined) =&gt; void