---
lang: en
title: 'API docs: authentication.authenticationbindings.component'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.authentication.authenticationbindings.component.html
---

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[Home](./index.md) &gt; [@loopback/authentication](./authentication.md) &gt; [AuthenticationBindings](./authentication.authenticationbindings.md) &gt; [COMPONENT](./authentication.authenticationbindings.component.md)

## AuthenticationBindings.COMPONENT variable

<b>Signature:</b>

```typescript
COMPONENT: BindingKey<AuthenticationComponent>
```