# async_chain_from_iterable

> **Function** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/evaluation/_arunner/async_chain_from_iterable)

Chain multiple async iterables.

## Signature

```python
async_chain_from_iterable(
    iterable: Iterable[AsyncIterable[T]],
) -> AsyncIterator[T]
```

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/cf0366388873e33ef593235c1d0c7e561db79cfb/python/langsmith/evaluation/_arunner.py#L1368)