Get the current settings of the model. The keys depend on the type of
        model.

        Returns
        -------
        out : list
            A list of fields that can be queried using the ``get`` method.

def _list_fields(self):
        """
        Get the current settings of the model. The keys depend on the type of
        model.

        Returns
        -------
        out : list
            A list of fields that can be queried using the ``get`` method.
        """

        response = self.__proxy__.list_fields()
        return [s for s in response['value'] if not s.startswith("_")]