> ## 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.

# CognitionAcp.SidechainRowRole

> Which thread row a sidechain chunk represents.

Which thread row a sidechain `session/update` chunk represents.

```typescript
type SidechainRowRole = "request" | "reply" | "stopped" | "action"
```


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