# ConfigurableFieldSingleOption

> **Class** in `langchain_core`

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

Field that can be configured by the user with a default value.

## Signature

```python
ConfigurableFieldSingleOption()
```

## Extends

- `NamedTuple`

## Properties

- `id`
- `options`
- `default`
- `name`
- `description`
- `is_shared`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/f0c5a28fa05adcda89aebcb449d897245ab21fa4/libs/core/langchain_core/runnables/utils.py#L575)