code: def get_usb_controller_by_name(self, name):
          
          if not isinstance(name, basestring):
              raise TypeError("name can only be an instance of type basestring")
          controller = self._call("getUSBControllerByName",
                       in_p=[name])
          controller = IUSBController(controller)
          return controller
docs: Returns a USB controller with the given type.
  
          in name of type str
  
          return controller of type :class:`IUSBController`
  
          raises :class:`VBoxErrorObjectNotFound`
              A USB controller with given name doesn't exist.