The extension collects metrics supported by Azure Monitor using the Azure management APIs and displays them in the AppDynamics Metric Browser. Please refer the link below for details on supported metrics. https://docs.microsoft.com/en-us/azure/azure-monitor/platform/metrics-supported
NOTE: The extension is built using Azure Java SDK and may not monitor all the Azure services.
For reference only (Extension deployment is not possible on the current sandbox) Cisco AppDynamics sandbox