# store

> **Attribute** in `langgraph`

📖 [View in docs](https://reference.langchain.com/python/langgraph/runtime/_RuntimeOverrides/store)

## Signature

```python
store: BaseStore | None
```

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/1142ebf9213e3eb01b9d1e7223b9f6b30bf8da61/libs/langgraph/langgraph/runtime.py#L82)