@loopback/docs/site/apidocs/metadata.classdecoratorfactory.mergewithown.md

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---
lang: en
title: 'API docs: metadata.classdecoratorfactory.mergewithown'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/metadata
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[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [ClassDecoratorFactory](./metadata.classdecoratorfactory.md) &gt; [mergeWithOwn](./metadata.classdecoratorfactory.mergewithown.md)

## ClassDecoratorFactory.mergeWithOwn() method

<b>Signature:</b>

```typescript
protected mergeWithOwn(ownMetadata: T, target: Object, member?: string, descriptorOrIndex?: TypedPropertyDescriptor<any> | number): T;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  ownMetadata | T |  |
|  target | Object |  |
|  member | string |  |
|  descriptorOrIndex | TypedPropertyDescriptor&lt;any&gt; \| number |  |

<b>Returns:</b>

T