def display_value(self, value):
        """Sets `sysparm_display_value`

        :param value:  Bool or 'all'
        """

        if not (isinstance(value, bool) or value == 'all'):
            raise InvalidUsage("Display value can be of type bool or value 'all'")

        self._sysparms['sysparm_display_value'] = value
Sets `sysparm_display_value`

        :param value:  Bool or 'all'