# 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/c2450d95237768ddd7e77a60f4939f164fca3e8d/python/langsmith/evaluation/_arunner.py#L1393)