# resolve_pairwise_criteria

> **Function** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/evaluation/comparison/eval_chain/resolve_pairwise_criteria)

Resolve the criteria for the pairwise evaluator.

## Signature

```python
resolve_pairwise_criteria(
    criteria: CRITERIA_TYPE | str | list[CRITERIA_TYPE] | None,
) -> dict
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `criteria` | `CRITERIA_TYPE \| str \| list[CRITERIA_TYPE] \| None` | Yes | The criteria to use. |

## Returns

`dict`

The resolved criteria.

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/9f232caa7a8fe1ca042a401942d5d90d54ceb1a6/libs/langchain/langchain_classic/evaluation/comparison/eval_chain.py#L52)