# composite_extras_providing

> **Function** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/extras_info/composite_extras_providing)

Return the composite extras that expand to `extra`.

## Signature

```python
composite_extras_providing(
    extra: str,
) -> frozenset[str]
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `extra` | `str` | Yes | Canonicalized extra name to look up. |

## Returns

`frozenset[str]`

Names of the composite extras containing `extra`; empty when no
composite provides it.

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/caaa7e7c12d214afa5cf0a1afed8eb6232aa6f7b/libs/code/deepagents_code/extras_info.py#L1097)