# async_to_custom_streamed_response_wrapper

> **Function** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/_response/async_to_custom_streamed_response_wrapper)

Higher order function that takes one of our bound API methods and an `APIResponse` class
and wraps the method to support streaming and returning the given response class directly.

Note: the given `response_cls` *must* be concrete, e.g. `class BinaryAPIResponse(APIResponse[bytes])`

## Signature

```python
async_to_custom_streamed_response_wrapper(
    func: Callable[P, Awaitable[object]],
    response_cls: type[_AsyncAPIResponseT],
) -> Callable[P, AsyncResponseContextManager[_AsyncAPIResponseT]]
```

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/d6cd6082f09e7826a2d6afe444ae6119e61b82a6/python/langsmith/_openapi_client/_response.py#L715)