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

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[Home](./index.md) &gt; [@loopback/authentication](./authentication.md) &gt; [AuthenticationStrategyProvider](./authentication.authenticationstrategyprovider.md) &gt; [metadata](./authentication.authenticationstrategyprovider.metadata.md)

## AuthenticationStrategyProvider.metadata property

<b>Signature:</b>

```typescript
protected metadata?: AuthenticationMetadata | undefined;
```

