# ProxyConfigCallback

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/types/sandbox_response/ProxyConfigCallback)

## Signature

```python
ProxyConfigCallback()
```

## Extends

- `BaseModel`

## Properties

- `match_hosts`
- `ttl_seconds`
- `url`
- `full_request`
- `request_headers`

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/15468f97c18467d67ececb90b17107b0875e7a65/python/langsmith/_openapi_client/types/sandbox_response.py#L457)