Developed HorizonDB Parameter Group Management for the Azure/azure-cli-extensions repository, enabling users to assign parameter groups to HorizonDB clusters directly through the Azure CLI. The work involved updating the CLI’s update command logic to support this new workflow, ensuring seamless integration with existing cluster management operations. Comprehensive test recordings were added using Python and YAML to validate the end-to-end parameter group management process, enhancing both test coverage and reliability. By focusing on backend development and leveraging Azure CLI tooling, the implementation improved governance and operational efficiency for HorizonDB deployments, providing a more robust and user-friendly experience for cluster administrators.