# function_has_argument

> **Function** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/_utils/_reflection/function_has_argument)

Returns whether or not the given function has a specific parameter

## Signature

```python
function_has_argument(
    func: Callable[..., Any],
    arg_name: str,
) -> bool
```

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/d6cd6082f09e7826a2d6afe444ae6119e61b82a6/python/langsmith/_openapi_client/_utils/_reflection.py#L7)