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Documentation for LoopBack 4
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---
lang: en
title: 'API docs: metadata.metadatainspector.getmethodmetadata'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.metadata.metadatainspector.getmethodmetadata.html
---
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[Home](./index.md) > [@loopback/metadata](./metadata.md) > [MetadataInspector](./metadata.metadatainspector.md) > [getMethodMetadata](./metadata.metadatainspector.getmethodmetadata.md)
## MetadataInspector.getMethodMetadata() method
Get the metadata associated with the given key for a given method of the target class or prototype
<b>Signature:</b>
```typescript
static getMethodMetadata<T>(key: MetadataKey<T, MethodDecorator>, target: Object, methodName?: string, options?: InspectionOptions): T | undefined;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| key | <code>MetadataKey<T, MethodDecorator></code> | Metadata key |
| target | <code>Object</code> | Class for static methods or prototype for instance methods |
| methodName | <code>string</code> | Method name. If not present, default to '' to use the constructor |
| options | <code>InspectionOptions</code> | Options for inspection |
<b>Returns:</b>
`T | undefined`