💡 : Use RevitLookup . It is an open-source tool that lets you "peek" under the hood of Revit elements to see their API properties in real-time.
Revit won't see your code unless you tell it where to look. Create a text file named MyPlugin.addin and place it in C:\ProgramData\Autodesk\Revit\Addins\2013\ . Instant Autodesk Revit 2013 Customization with ...
(Includes the crucial RevitAPI.dll and RevitAPIUI.dll ). 💡 : Use RevitLookup