# get_option

> **Function** in `deepagents_code`

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

Return the manifest entry for `key`, or `None` when unknown.

## Signature

```python
get_option(
    key: str,
) -> ConfigOption | None
```

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/e14e0adcbe78565ed3650e7f24b2a775d5437d25/libs/code/deepagents_code/config_manifest.py#L1428)