Set the memo for the transaction to a new :class:`IdMemo
        <stellar_base.memo.IdMemo>`.

        :param int memo_id: A 64 bit unsigned integer to set as the memo.
        :return: This builder instance.

def add_id_memo(self, memo_id):
        """Set the memo for the transaction to a new :class:`IdMemo
        <stellar_base.memo.IdMemo>`.

        :param int memo_id: A 64 bit unsigned integer to set as the memo.
        :return: This builder instance.

        """
        memo_id = memo.IdMemo(memo_id)
        return self.add_memo(memo_id)