# build_event_stream_body

> **Function** in `langgraph_sdk`

📖 [View in docs](https://reference.langchain.com/python/langgraph-sdk/stream/transport/base/build_event_stream_body)

## Signature

```python
build_event_stream_body(
    params: dict[str, Any],
) -> dict[str, Any]
```

---

[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/d5f4b2aa960940effc8430165ab3604038e817af/libs/sdk-py/langgraph_sdk/stream/transport/base.py#L57)