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

# relatedThreads

> Find threads that are semantically similar to the given thread, ranked by relevance. Each result includes the thread and a distance score (lower means more similar). Useful for surfacing related support history or finding duplicate issues. Requires the `thread:read` permission.