# SubgraphDiscoverySnapshot

> **Interface** in `@langchain/react`

📖 [View in docs](https://reference.langchain.com/javascript/langchain-react/SubgraphDiscoverySnapshot)

Lightweight discovery record for a subgraph running inside the thread.

## Signature

```javascript
interface SubgraphDiscoverySnapshot
```

## Properties

- `completedAt`
- `id`
- `namespace`
- `nodeName`
- `startedAt`
- `status`

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[View source on GitHub](https://github.com/langchain-ai/langgraphjs/blob/9ae75600dd84d6b2bc736e33baaf66a556d61c49/libs/sdk/src/stream/types.ts#L435)