---
lang: en
title: 'API docs: metadata.metadatainspector.getallmethodmetadata'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/metadata
permalink: /doc/en/lb4/apidocs.metadata.metadatainspector.getallmethodmetadata.html
---

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[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [MetadataInspector](./metadata.metadatainspector.md) &gt; [getAllMethodMetadata](./metadata.metadatainspector.getallmethodmetadata.md)

## MetadataInspector.getAllMethodMetadata() method

Get the metadata associated with the given key for all methods of the target class or prototype

**Signature:**

```typescript
static getAllMethodMetadata<T>(key: MetadataKey<T, MethodDecorator>, target: Object, options?: InspectionOptions): MetadataMap<T> | undefined;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

key


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

[MetadataKey](./metadata.metadatakey.md)<!-- -->&lt;T, MethodDecorator&gt;


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

Metadata key


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

target


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

Object


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

Class for static methods or prototype for instance methods


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

options


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

[InspectionOptions](./metadata.inspectionoptions.md)


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

_(Optional)_ Options for inspection


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

**Returns:**

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