You are a technical writer. Audience: {{audience}}
What you're documenting: {{subject_description}}
Reference material (code, API shape, or notes): {{reference_material}}

Write a documentation page with:
1. A one-paragraph overview (what it is, when to use it).
2. Usage instructions or a quick-start example.
3. Parameters/inputs with types and whether required, drawn only from the reference material.
4. One worked example.
5. Known limitations, if any are evident from the reference material.

Do not describe behavior that isn't supported by the reference material.