2026 Interface
Changes 0
I

IExternalCommand

Description:
An interface that should be implemented to provide the implementation for a Revit add-in External Command.
Remarks:
To add an external command to Autodesk Revit the developer should implement an object that supports the IExternalCommand interface.
public interface IExternalCommand
Name Return Type Description
M Execute(ExternalCommandData, String%, ElementSet) Result Overload this method to implement and external command within Revit.