> ## 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.

# CognitionExtensionMethod

> Wire method names of the Cognition extension notifications the SDK types.

```typescript
const CognitionExtensionMethod: { AgentStopped: "_cognition.ai/agent_stopped"; BillingInformation: "_cognition.ai/billingInformation"; BrowserPreviewCapture: "_cognition.ai/browserPreview/capture"; BrowserPreviewOpened: "_cognition.ai/browserPreview/opened"; ClipboardWrite: "_cognition.ai/clipboard/write"; Compaction: "_cognition.ai/compaction"; ConnectionRetry: "_cognition.ai/connection_retry"; EphemeralPresence: "_cognition.ai/ephemeral/presence"; EphemeralUpdate: "_cognition.ai/ephemeral/update"; McpServersChanged: "_cognition.ai/mcp/serversChanged"; MessagesInQueued: "_cognition.ai/messages_in_queued"; Output: "_cognition.ai/output"; PluginsChanged: "_cognition.ai/plugins/changed"; RevertHistoryRewound: "_cognition.ai/revert/historyRewound"; RevertStepsUpdated: "_cognition.ai/revert/stepsUpdated"; ShowModal: "_cognition.ai/showModal"; ThinkingComplete: "_cognition.ai/thinking_complete" }
```


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