Severity level of the event. One of ``INFO``, ``WATCH``,
        ``WARNING``, ``DISTRESS``, ``CRITICAL`` or ``SEVERE``.

def severity(self):
        """
        Severity level of the event. One of ``INFO``, ``WATCH``,
        ``WARNING``, ``DISTRESS``, ``CRITICAL`` or ``SEVERE``.
        """
        if self._proto.HasField('severity'):
            return yamcs_pb2.Event.EventSeverity.Name(self._proto.severity)
        return None