> ## Documentation Index
> Fetch the complete documentation index at: https://gofastmcp.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# telemetry

# `fastmcp.client.telemetry`

Client-side telemetry helpers.

## Functions

### `client_span` <sup>[https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp\_slim/fastmcp/client/telemetry.py#L13](https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/client/telemetry.py#L13)</sup>

```python theme={"theme":{"light":"snazzy-light","dark":"dark-plus"}}
client_span(name: str, method: str, component_key: str, session_id: str | None = None, resource_uri: str | None = None, tool_name: str | None = None, prompt_name: str | None = None) -> Generator[Span, None, None]
```

Create a CLIENT span with standard MCP attributes.

Automatically records any exception on the span and sets error status.


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