# get_seen_version

> **Function** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/update_check/get_seen_version)

Return the last version the user saw the "what's new" banner for.

## Signature

```python
get_seen_version() -> str | None
```

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/0412009c5441bef8d75a427e1da8909e33ab5b56/libs/code/deepagents_code/update_check.py#L1624)