# MessageType

> **Class** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/widgets/message_store/MessageType)

Types of messages in the chat.

## Signature

```python
MessageType()
```

## Extends

- `StrEnum`

## Properties

- `USER`
- `ASSISTANT`
- `TOOL`
- `SKILL`
- `ERROR`
- `APP`
- `SUMMARIZATION`
- `DIFF`

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/d1c6946218b4f0f86ab7b02b6bb6af1e4b75cede/libs/code/deepagents_code/widgets/message_store.py#L44)