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

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[Home](./index.md) &gt; [@loopback/authorization](./authorization.md) &gt; [AUTHORIZATION\_CLASS\_KEY](./authorization.authorization_class_key.md)

## AUTHORIZATION\_CLASS\_KEY variable

<b>Signature:</b>

```typescript
AUTHORIZATION_CLASS_KEY: MetadataAccessor<AuthorizationMetadata, ClassDecorator>
```

