# HumanMessageChunk

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/messages/human/HumanMessageChunk)

Human Message chunk.

## Signature

```python
HumanMessageChunk(
    self,
    content: str | list[str | dict] | None = None,
    content_blocks: list[types.ContentBlock] | None = None,
    **kwargs: Any = {},
)
```

## Extends

- `HumanMessage`
- `BaseMessageChunk`

## Properties

- `type`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/9f232caa7a8fe1ca042a401942d5d90d54ceb1a6/libs/core/langchain_core/messages/human.py#L63)