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

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---
lang: en
title: 'API docs: metadata.methodmultidecoratorfactory.mergewithown'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [MethodMultiDecoratorFactory](./metadata.methodmultidecoratorfactory.md) &gt; [mergeWithOwn](./metadata.methodmultidecoratorfactory.mergewithown.md)

## MethodMultiDecoratorFactory.mergeWithOwn() method

**Signature:**

```typescript
protected mergeWithOwn(ownMetadata: MetadataMap<T[]>, target: Object, methodName?: string, methodDescriptor?: TypedPropertyDescriptor<any> | number): MetadataMap<T[]>;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

ownMetadata


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

[MetadataMap](./metadata.metadatamap.md)<!-- -->&lt;T\[\]&gt;


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


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

target


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

Object


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


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

methodName


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

string


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

_(Optional)_


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

methodDescriptor


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

TypedPropertyDescriptor&lt;any&gt; \| number


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

_(Optional)_


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

**Returns:**

[MetadataMap](./metadata.metadatamap.md)<!-- -->&lt;T\[\]&gt;