@loopback/docs/site/apidocs/authentication.authenticationcomponent.(constructor).md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: authentication.authenticationcomponent.(constructor)'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.authentication.authenticationcomponent.(constructor).html
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[Home](./index.md) &gt; [@loopback/authentication](./authentication.md) &gt; [AuthenticationComponent](./authentication.authenticationcomponent.md) &gt; [(constructor)](./authentication.authenticationcomponent.(constructor).md)

## AuthenticationComponent.(constructor)

Constructs a new instance of the `AuthenticationComponent` class

<b>Signature:</b>

```typescript
constructor();
```