| Name | Type | Description | 
| backingObjectId | xsd:string | Backing object's durable and unmutable identifier.
 Each backing object has a unique identifier which is not settable.
      
Since vSphere API 5.5 
 | 
| datastore | ManagedObjectReference to a
                  Datastore
 | Reference to the datastore managed object where this file is stored.
  If the file is not located on a datastore, then this reference is null.
  This is not used for configuration. 
 | 
| fileName | xsd:string | Filename for the host file used in this backing. 
 | 
| Properties inherited from VirtualDeviceBackingInfo | 
| None | 
| Properties inherited from DynamicData | 
| None |