def is_all_field_none(self):
        """
        :rtype: bool
        """

        if self._id_ is not None:
            return False

        if self._time_responded is not None:
            return False

        if self._time_expiry is not None:
            return False

        if self._monetary_account_id is not None:
            return False

        if self._amount_inquired is not None:
            return False

        if self._amount_responded is not None:
            return False

        if self._alias is not None:
            return False

        if self._counterparty_alias is not None:
            return False

        if self._description is not None:
            return False

        if self._attachment is not None:
            return False

        if self._status is not None:
            return False

        if self._minimum_age is not None:
            return False

        if self._require_address is not None:
            return False

        if self._address_shipping is not None:
            return False

        if self._address_billing is not None:
            return False

        if self._geolocation is not None:
            return False

        if self._redirect_url is not None:
            return False

        if self._type_ is not None:
            return False

        if self._sub_type is not None:
            return False

        if self._allow_chat is not None:
            return False

        if self._eligible_whitelist_id is not None:
            return False

        return True
:rtype: bool