The ExternalCommandsData type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | AssemblyName | The assembly path of the menu item. |
| AvailabilityClassName | The full class name for the class providing the entry point to decide availability of this menu item. |
| ClassName | The name of the class containing the implementation for the command. |
| IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |