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

# Logger

> Ruby stdlib Logger → Tracelit via OpenTelemetry.

Keep using `Logger` / `Rails.logger`. Ensure OpenTelemetry logs export is enabled alongside tracing, then:

```ruby theme={null}
Rails.logger.info("order listed count=3")
Rails.logger.error("payment failed")
```