'Returns a page of :class:`Notification` resources as a list.
For paging information see :class:`ListResource`.
**NOTE**: Due to the potentially voluminous amount of data in a
notification, the full HTTP request and response data is only returned
in the Notification instance resource representation.
:param date after: Only list notifications logged after this datetime
:param date before: Only list notifications logger before this datetime
:param log_level: If 1, only shows errors. If 0, only show warnings'

@normalize_dates
def list(self, before=None, after=None, **kwargs):

    kwargs['MessageDate<'] = before
    kwargs['MessageDate>'] = after
    return self.get_instances(kwargs)
