Create a new VTPM instance, and return its handle.

Return value
	type	description
	VTPM	reference to the newly created object
Parameters
name	type	description
session_id	session	valid session reference
VM	VM	the virtual machine
backend	VM	the domain where the backend is located
Errors
name	arguments	description

• Message has both a synchronous and asynchronous version
• This is an implicit message, derived from its class