code: def display(self, display):
          
          if display is None:
              raise ValueError("Invalid value for `display`, must not be `None`")  # noqa: E501
          allowed_values = ["BANNER", "TOASTER"]  # noqa: E501
          if display not in allowed_values:
              raise ValueError(
                  "Invalid value for `display` ({0}), must be one of {1}"  # noqa: E501
                  .format(display, allowed_values)
              )
  
          self._display = display
docs: Sets the display of this Message.
  
          The form of display for this message  # noqa: E501
  
          :param display: The display of this Message.  # noqa: E501
          :type: str