https://learn.microsoft.com/en-us/dotnet/api/system.windows.automation.automationidentifier?view=netframework-4.8.1&viewFallbackFrom=netcore-3.0
AutomationIdentifier Class (System.Windows.Automation) | Microsoft Learn
Base class for types that identify control types, events, patterns, properties, and text attributes in UI Automation.
class systemwindowsautomationmicrosoftlearn