def log_text(self, text, **kw):
        """Add a text entry to be logged during :meth:`commit`.

        :type text: str
        :param text: the text entry

        :type kw: dict
        :param kw: (optional) additional keyword arguments for the entry.
                   See :class:`~google.cloud.logging.entries.LogEntry`.
        """
        self.entries.append(TextEntry(payload=text, **kw))