This extentions provides build and release tasks to schedule downtime to Datadog.
Link to Azure DevOps MarketPlace: DatadogScheduleDowntime
After installing the extension, you can add its tasks to a build definition or release definition as needed.
More details: https://docs.datadoghq.com/monitors/downtimes/?tab=bymonitorname https://docs.datadoghq.com/api/latest/downtimes/#schedule-a-downtime
Please file an issue on GitHub