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

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

## SocketIoControllerFactory.(constructor)

Constructs a new instance of the `SocketIoControllerFactory` class

**Signature:**

```typescript
constructor(parentCtx: Context, controllerClass: Constructor<object>, socket: Socket);
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

parentCtx


</td><td markdown="1">

[Context](./context.context.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

controllerClass


</td><td markdown="1">

[Constructor](./context.constructor.md)<!-- -->&lt;object&gt;


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

socket


</td><td markdown="1">

Socket


</td><td markdown="1">


</td></tr>
</tbody></table>