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---
lang: en
title: 'API docs: socketio.socketio.namespace'
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.socketio.namespace.html
---
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[Home](./index.md) > [@loopback/socketio](./socketio.md) > [socketio](./socketio.socketio.md) > [namespace](./socketio.socketio.namespace.md)
## socketio.namespace() function
**Signature:**
```typescript
function namespace(name: string): (target: Object, member: string | undefined, methodDescriptorOrParameterIndex?: number | TypedPropertyDescriptor<any> | undefined) => void;
```
## Parameters
<table><thead><tr><th>
Parameter
</th><th>
Type
</th><th>
Description
</th></tr></thead>
<tbody><tr><td markdown="1">
name
</td><td markdown="1">
string
</td><td markdown="1">
</td></tr>
</tbody></table>
**Returns:**
(target: Object, member: string \| undefined, methodDescriptorOrParameterIndex?: number \| TypedPropertyDescriptor<any> \| undefined) => void