# xor_args

> **Function** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/utils/utils/xor_args)

Validate specified keyword args are mutually exclusive.

## Signature

```python
xor_args(
    *arg_groups: tuple[str, ...] = (),
) -> Callable
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `*arg_groups` | `tuple[str, ...]` | No | Groups of mutually exclusive keyword args. (default: `()`) |

## Returns

`Callable`

Decorator that validates the specified keyword args are mutually exclusive.

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/9f232caa7a8fe1ca042a401942d5d90d54ceb1a6/libs/core/langchain_core/utils/utils.py#L24)