After typing the command select the text or csv file(s) you wish to use to generate .dwg files containing the tin surfaces.

When the process is complete you can open the CAD files which can be found in the same location as the files that were selected. 

The installer that ran when you downloaded this plug-in from Autodesk App Store has already installed the plug-in. You may need to restart the Autodesk product to activate the plug-in. To uninstall this plug-in, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10), and uninstall as you would any other application from your system.