# is_list_type

> **Function** in `langsmith`

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

## Signature

```python
is_list_type(
    typ: type,
) -> bool
```

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/33995e14a84c53b65b82482b3d2fe0624b379bda/python/langsmith/_openapi_client/_utils/_typing.py#L25)