code: def list_images(self, image_state):
          
          if not isinstance(image_state, CloudImageState):
              raise TypeError("image_state can only be an instance of type CloudImageState")
          (return_ids, return_names) = self._call("listImages",
                       in_p=[image_state])
          return (return_ids, return_names)
docs: Returns the list of the images in the Cloud.
  
          in image_state of type :class:`CloudImageState`
  
          out return_names of type str
              Images names.
  
          return return_ids of type str
              Images ids.