> ## Documentation Index
> Fetch the complete documentation index at: https://docs.devin.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# isCognitionExtensionMethod

```typescript
isCognitionExtensionMethod(method: string): method
```

Whether a method name is a `_cognition.ai/*` extension method.

## Parameters

**method** `string` *required*

## Returns

`method`


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.