---
lang: en
title: 'API docs: socketio.socketiocontrollerfactory.setup'
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.socketiocontrollerfactory.setup.html
---

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[Home](./index.md) &gt; [@loopback/socketio](./socketio.md) &gt; [SocketIoControllerFactory](./socketio.socketiocontrollerfactory.md) &gt; [setup](./socketio.socketiocontrollerfactory.setup.md)

## SocketIoControllerFactory.setup() method

Set up the controller for the given socket

<b>Signature:</b>

```typescript
setup(): Promise<void>;
```
<b>Returns:</b>

Promise&lt;void&gt;