@loopback/docs/site/apidocs/metadata.namespacedreflect.hasmetadata.md

Documentation files rendered at [https://loopback.io](https://loopback.io)

---
lang: en
title: 'API docs: metadata.namespacedreflect.hasmetadata'
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.namespacedreflect.hasmetadata.html
---

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

[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [NamespacedReflect](./metadata.namespacedreflect.md) &gt; [hasMetadata](./metadata.namespacedreflect.hasmetadata.md)

## NamespacedReflect.hasMetadata() method

Check if the target has corresponding metadata

**Signature:**

```typescript
hasMetadata(metadataKey: string, target: Object, propertyKey?: string): boolean;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

metadataKey


</td><td markdown="1">

string


</td><td markdown="1">

Key


</td></tr>
<tr><td markdown="1">

target


</td><td markdown="1">

Object


</td><td markdown="1">

Target


</td></tr>
<tr><td markdown="1">

propertyKey


</td><td markdown="1">

string


</td><td markdown="1">

_(Optional)_ Optional property key


</td></tr>
</tbody></table>

**Returns:**

boolean