# ChatGenerationChunk

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/outputs/chat_generation/ChatGenerationChunk)

`ChatGeneration` chunk.

`ChatGeneration` chunks can be concatenated with other `ChatGeneration` chunks.

## Signature

```python
ChatGenerationChunk(
    self,
    *args: Any = (),
    **kwargs: Any = {},
)
```

## Extends

- `ChatGeneration`

## Properties

- `message`
- `type`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/f0c5a28fa05adcda89aebcb449d897245ab21fa4/libs/core/langchain_core/outputs/chat_generation.py#L87)