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

        if self._BunqMeFundraiserResult is not None:
            return False

        if self._BunqMeTab is not None:
            return False

        if self._BunqMeTabResultInquiry is not None:
            return False

        if self._BunqMeTabResultResponse is not None:
            return False

        if self._ChatMessage is not None:
            return False

        if self._DraftPayment is not None:
            return False

        if self._IdealMerchantTransaction is not None:
            return False

        if self._Invoice is not None:
            return False

        if self._MasterCardAction is not None:
            return False

        if self._MonetaryAccount is not None:
            return False

        if self._Payment is not None:
            return False

        if self._PaymentBatch is not None:
            return False

        if self._RequestInquiry is not None:
            return False

        if self._RequestInquiryBatch is not None:
            return False

        if self._RequestResponse is not None:
            return False

        if self._ShareInviteBankInquiry is not None:
            return False

        if self._ShareInviteBankResponse is not None:
            return False

        if self._ScheduledPayment is not None:
            return False

        if self._ScheduledInstance is not None:
            return False

        if self._TabResultInquiry is not None:
            return False

        if self._TabResultResponse is not None:
            return False

        if self._User is not None:
            return False

        return True
:rtype: bool