Karina Muñoz Villanueva developed and documented the Private Data Source Connect (PDC) setup flow for Grafana Cloud within the grafana/github-datasource repository. She focused on enabling secure connections to private data sources by providing detailed configuration management guidance and onboarding documentation. Using her expertise in cloud services, technical writing, and Markdown, Karina co-authored updates to the datasource.md file, ensuring that Grafana Cloud users could easily adopt and configure PDC. Her work addressed the need for clear, actionable setup instructions, reducing friction for new users. The contribution demonstrated depth in documentation and practical application of cloud integration best practices.