@loopback/docs/site/apidocs/authentication.authentication_metadata_method_key.md

Documentation for LoopBack 4

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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [@loopback/authentication](./authentication.md) &gt; [AUTHENTICATION\_METADATA\_METHOD\_KEY](./authentication.authentication_metadata_method_key.md)

## AUTHENTICATION\_METADATA\_METHOD\_KEY variable

The key used to store method-level metadata for `@authenticate`

<b>Signature:</b>

```typescript
AUTHENTICATION_METADATA_METHOD_KEY: MetadataAccessor<AuthenticationMetadata, MethodDecorator>
```