1. Click "Placing System Route Flow On ActiveView" from SystemRouteFlow Tab.

2. Select an annotation that will be used, then click OK.

3. The annotation will be added to the mid-point of the duct/pipe.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10) and uninstall as you would any other application from your system.

This add-in will not work where the system doesn’t include input and output (e.g. water closet).