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Documentation for LoopBack 4
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lang: en
title: 'API docs: metadata.namespacedreflect.decorate'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.metadata.namespacedreflect.decorate.html
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[Home](./index.md) > [@loopback/metadata](./metadata.md) > [NamespacedReflect](./metadata.namespacedreflect.md) > [decorate](./metadata.namespacedreflect.decorate.md)
## NamespacedReflect.decorate() method
<b>Signature:</b>
```typescript
decorate(decorators: (PropertyDecorator | MethodDecorator)[], target: Object, targetKey?: string | symbol, descriptor?: PropertyDescriptor): PropertyDescriptor | Function;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| decorators | <code>(PropertyDecorator | MethodDecorator)[]</code> | |
| target | <code>Object</code> | |
| targetKey | <code>string | symbol</code> | |
| descriptor | <code>PropertyDescriptor</code> | |
<b>Returns:</b>
`PropertyDescriptor | Function`