# read_timeout

> **Function** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/sandbox/_sse_execute/read_timeout)

Per-event read timeout, in seconds. ``<= 0`` disables it.

## Signature

```python
read_timeout() -> Optional[float]
```

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/52e79add98f6559235d1eb00f5f533b9be6d4cf6/python/langsmith/sandbox/_sse_execute.py#L105)