@loopback/docs/site/apidocs/metadata.methoddecoratorfactory.mergewithinherited.md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: metadata.methoddecoratorfactory.mergewithinherited'
keywords: LoopBack 4.0, LoopBack 4
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permalink: /doc/en/lb4/apidocs.metadata.methoddecoratorfactory.mergewithinherited.html
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[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [MethodDecoratorFactory](./metadata.methoddecoratorfactory.md) &gt; [mergeWithInherited](./metadata.methoddecoratorfactory.mergewithinherited.md)

## MethodDecoratorFactory.mergeWithInherited() method

<b>Signature:</b>

```typescript
protected mergeWithInherited(inheritedMetadata: MetadataMap<T>, target: Object, methodName?: string, methodDescriptor?: TypedPropertyDescriptor<any> | number): MetadataMap<T>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  inheritedMetadata | <code>MetadataMap&lt;T&gt;</code> |  |
|  target | <code>Object</code> |  |
|  methodName | <code>string</code> |  |
|  methodDescriptor | <code>TypedPropertyDescriptor&lt;any&gt; &#124; number</code> |  |

<b>Returns:</b>

`MetadataMap<T>`