# get_param_fields

> **Function** in `langchain_sema4`

📖 [View in docs](https://reference.langchain.com/python/langchain-sema4/_common/get_param_fields)

Get an OpenAPI endpoint parameter details

## Signature

```python
get_param_fields(
    endpoint_spec: dict,
) -> dict
```

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[View source on GitHub](https://github.com/langchain-ai/langchain-sema4/blob/14caa588ea60d411598f096d0734099bedcca0dd/libs/sema4/langchain_sema4/_common.py#L144)