Varun Agarwal developed foundational documentation for country-based personalization in search results within the gleanwork/glean-developer-site repository. He introduced a new 'country' property, specifying valid country codes and names, and detailed how these values influence search ranking signals to support geo-aware relevance. Using Markdown and focusing on clear technical communication, Varun created a dedicated documentation section to guide developers in implementing and extending this feature. His work laid the groundwork for future geo-relevance enhancements, improving both user search experience and developer onboarding. The contribution was limited in scope but addressed a specific need for regional accuracy in search personalization workflows.