João Santos contributed to the MicrosoftDocs/entra-docs repository by enhancing the optional-claims.md documentation with a new section focused on Optional Claims Configuration Guidance. He authored detailed Markdown content that clarifies the limitation on the number of extension attributes that can be issued as optional claims and provides step-by-step instructions for configuring these claims in the manifest. This work required careful policy interpretation and precise documentation skills to ensure accuracy and clarity. By addressing a common source of configuration errors, João’s contribution improved onboarding for developers and maintainability for enterprise deployments, demonstrating depth in documentation authoring and proficiency with Markdown tooling.