Dianna Barry developed and tested a new Terraform resource for the DataDog/terraform-provider-datadog repository, enabling infrastructure-as-code management of email domain allowlists to streamline security and compliance workflows. She implemented full CRUD operations and integrated with Datadog’s API using Go and HCL, automating configuration and reducing manual effort. Dianna also wrote comprehensive unit and integration tests to ensure reliability and minimize regression risk. In a separate contribution to DataDog/datadog-api-client-python, she improved code maintainability by clarifying authentication token expiration in comments, applying a precise, non-functional fix in Python that enhanced developer understanding without altering existing behavior or introducing risk.