> ## 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.

# availableMentionTypes

```typescript
availableMentionTypes(payload: unknown): undefined | MentionTypeInfo[]
```

The `@`-mention types the session accepts, when the update carries them.

## Parameters

**payload** `unknown` *required*

## Returns

`undefined | MentionTypeInfo[]`


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