# Typing

> **Class** in `deepagents_code`

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

Posted when the user presses a printable key or backspace.

Relayed by `ChatInput` as `ChatInput.Typing` for the app to track
typing activity.

## Signature

```python
Typing()
```

## Extends

- `Message`

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/0412009c5441bef8d75a427e1da8909e33ab5b56/libs/code/deepagents_code/widgets/chat_input.py#L440)