---
lang: en
title: 'API docs: metadata.metadatamap'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/metadata
permalink: /doc/en/lb4/apidocs.metadata.metadatamap.html
---

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[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [MetadataMap](./metadata.metadatamap.md)

## MetadataMap interface

An object mapping keys to corresponding metadata

**Signature:**

```typescript
export interface MetadataMap<T> 
```