# require_sse_supports

> **Function** in `langsmith`

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

Reject run() options that need the WebSocket's control channel.

## Signature

```python
require_sse_supports(
    *,
    pty: bool,
    close_stdin: bool,
    kill_on_disconnect: bool,
) -> None
```

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/a39745c67839496a98e5e846122664d8070c8dca/python/langsmith/sandbox/_sse_execute.py#L82)