If the authentication uses interactiveSession, then the environment being read will be that of the user logged into the desktop. Otherwise it's the environment of the system user.
|vm||VcVirtualMachine||Virtual machine to perform the operation on.|
|auth||VcGuestAuthentication||The guest authentication data. See <a href="VcGuestAuthentication.html">VcGuestAuthentication</a>.|
|names||String||The names of the variables to be read. If not set, then all the environment variables are returned.|