# StrEnum

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/runnables/configurable/StrEnum)

String enum.

## Signature

```python
StrEnum()
```

## Extends

- `str`
- `enum.Enum`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/01d8481ae3d457ec3751cbb0331ea3a4b720fa90/libs/core/langchain_core/runnables/configurable.py#L462)