code: def virtual_resource(self):
          
          resource = create_collection(
              self.get_relation(
                  'virtual_resources',
                  UnsupportedEngineFeature),
              VirtualResource)
          resource._load_from_engine(self, 'virtualResources')
          return resource
docs: Available on a Master Engine only.
  
          To get all virtual resources call::
  
              engine.virtual_resource.all()
  
          :raises UnsupportedEngineFeature: master engine only
          :rtype: CreateCollection(VirtualResource)