vCloud Automation Center 6.0 includes a new and easier way to extend the machine action menus so that you can add just about any type of operation to the list. As you can see here, I've added an action to mount an ISO to a virtual CD drive on a VM.
What's involved? Well, for starters you will need to have Advanced Services configured within you vCAC install. If you have already set this up you can skip to CREATE A RESOURCE ACTION.
SETTING UP ADVANCED SERVICES FOR VCAC