> ## 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.EphemeralViewer

> One other viewer of the session.

Mirrors `SessionViewer` in the webserver's `modules/sessions/ephemeral.py`
(the legacy websocket frames carry the same fields in snake\_case).

```typescript
type EphemeralViewer = void
```


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