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

# Sessions & User IDs

Sessions group related traces (e.g., a conversation). User IDs link traces to a specific user for filtering and debugging.

* Sessions: [Sessions](/docs/tracing/structure/sessions)
* Users: [User ID](/docs/tracing/structure/user-id)
* SDK reference: [Trace methods](/docs/sdk/trace-methods)


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