Worked on the hashicorp/terraform-provider-azurerm repository to enhance Azure Subnet Service Delegation by adding support for Microsoft Messaging Connectors. This feature expanded the delegation options available within Azure subnets, allowing users to deploy messaging connectors with minimal configuration changes. The implementation involved updating the azurerm_subnet resource to recognize new delegation name values, with careful attention to documentation and maintainability for future extensibility. Leveraged skills in Azure, Terraform, and cloud infrastructure, and utilized Go as the primary programming language. The work focused on delivering a targeted feature improvement without introducing bug fixes during the development period, emphasizing robust and maintainable code.