Autodesk.Viewing.Extensions
Edit2DExtension
Edit2D extension provides API for implementing 2D vector editing. Loading the extension does not add UI or changes behavior in the viewer. Its purpose is only to provide a basis for other extensions and client applications.
The extension id is: Autodesk.Edit2D
new Edit2DExtension()
Examples
viewer.loadExtension('Autodesk.Edit2D')