During March 2025, this developer enhanced the oxygenxml/userguide repository by implementing a new extensibility feature for the DITA Map side-view toolbar. The work focused on enabling custom actions, allowing users to tailor workflows and improve productivity within the application. Using JavaScript and XML, the developer provided a concrete example by introducing a Refresh action, achieved through method overrides and the installation of a custom view. This approach established a clear extension path for client-specific actions, supporting more flexible and user-driven workflows. The changes were delivered as a focused, reviewable commit, emphasizing maintainability and extensibility in front-end development.