## getExtension() function

Returns an extension by extension URLs.

**Signature:**

```typescript
export declare function getExtension(resource: any, ...urls: string[]): Extension | undefined;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| resource | any | The base resource. |
| urls | string[] | Array of extension URLs. Each entry represents a nested extension. |

**Returns:**

Extension | undefined

The extension object if found; undefined otherwise.