# get_client_info

> **Function** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/utilities/vertexai/get_client_info)

Return a custom user agent header.

## Signature

```python
get_client_info(
    module: Optional[str] = None,
) -> ClientInfo
```

## Description

Returns:
google.api_core.gapic_v1.client_info.ClientInfo

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `module` | `Optional[str]` | No |  Optional. The module for a custom user agent header. (default: `None`) |

---

[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/a6a6079511ac8a5c1293337f88096b8641562e77/libs/community/langchain_community/utilities/vertexai.py#L85)