You can find 2 articles in our online documentation about automation:
UI Automation Support
Coded UI support
I supposed that Peshito was referring to the second one. In order to use CodedUI and to become the controls and properties, we exposed for our UI for WPF suite, you need to set AutomationMode to Advanced and to add Telerik.VisualStudio.TestTools.UITest.Extension.ExtensionsCore.dll. This way you can find easily the Telerik controls, their properties and small controls inside them, for the RadMap this includes ZoomLevel, Center property, MiniMap info, ZoomBar, etc. However, I'm afraid that this won't help you in finding MapPolylineData because it is not a UI element and the RadMap will make a ContentPresenter with Path, Rectangle or Line inside the VisualizationLayer, which is a common WPF element you need to find in your application using e.g. SearchProperties (AutomationId, Type, HelpText, etc.) in the UIMap.
I hope this information helps.
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