# AsyncStreamControl

> **Class** in `langsmith`

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

Async equivalent of :class:`StreamControl`.

## Signature

```python
AsyncStreamControl()
```

## Extends

- `Protocol`

## Properties

- `killed`
- `resumes_itself`

## Methods

- [`send_kill()`](https://reference.langchain.com/python/langsmith/sandbox/_models/AsyncStreamControl/send_kill)
- [`send_input()`](https://reference.langchain.com/python/langsmith/sandbox/_models/AsyncStreamControl/send_input)
- [`send_close_stdin()`](https://reference.langchain.com/python/langsmith/sandbox/_models/AsyncStreamControl/send_close_stdin)

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/19d52419f47c93ca2c57a0d51c58d255f5949092/python/langsmith/sandbox/_models.py#L52)