# AttributeInfo

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/chains/query_constructor/schema/AttributeInfo)

Information about a data source attribute.

## Signature

```python
AttributeInfo()
```

## Extends

- `BaseModel`

## Properties

- `name`
- `description`
- `type`
- `model_config`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/51e954877efd2d2c3c5bf09364dcfec8794eadb0/libs/langchain/langchain_classic/chains/query_constructor/schema.py#L4)