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

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[Home](./index.md) &gt; [@loopback/core](./core.md) &gt; [ControllerClass](./core.controllerclass.md)

## ControllerClass type

<b>Signature:</b>

```typescript
export declare type ControllerClass<T = any> = Constructor<T>;
```
<b>References:</b> [Constructor](./context.constructor.md)