# mark_version_seen

> **Function** in `deepagents_code`

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

Record that the user has seen the "what's new" banner for *version*.

## Signature

```python
mark_version_seen(
    version: str,
) -> None
```

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/d1c6946218b4f0f86ab7b02b6bb6af1e4b75cede/libs/code/deepagents_code/update_check.py#L1426)