# StructuredTool

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/tools/structured/StructuredTool)

Tool that can operate on any number of inputs.

## Signature

```python
StructuredTool(
    self,
    **kwargs: Any = {},
)
```

## Extends

- `BaseTool`

## Properties

- `description`
- `args_schema`
- `func`
- `coroutine`

## Methods

- [`ainvoke()`](https://reference.langchain.com/python/langchain-core/tools/structured/StructuredTool/ainvoke)
- [`from_function()`](https://reference.langchain.com/python/langchain-core/tools/structured/StructuredTool/from_function)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/02991cb4cf2063d51a07268edafb05fe53de1826/libs/core/langchain_core/tools/structured.py#L40)