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

        if self._alias is not None:
            return False

        if self._counterparty_alias is not None:
            return False

        if self._status is not None:
            return False

        if self._sub_status is not None:
            return False

        if self._status_transferwise is not None:
            return False

        if self._status_transferwise_issue is not None:
            return False

        if self._amount_source is not None:
            return False

        if self._amount_target is not None:
            return False

        if self._rate is not None:
            return False

        if self._reference is not None:
            return False

        if self._pay_in_reference is not None:
            return False

        if self._time_delivery_estimate is not None:
            return False

        if self._quote is not None:
            return False

        return True
:rtype: bool