code: def data_items(self) -> typing.List[DataItem]:
          
          return [DataItem(data_item) for data_item in self.__document_model.data_items]
docs: Return the list of data items.
  
          :return: The list of :py:class:`nion.swift.Facade.DataItem` objects.
  
          .. versionadded:: 1.0
  
          Scriptable: Yes