def METHOD_NAME(self, queryset):
    """
    Allow simple filtering on selected fields.
    We don't use the default filter_fields, because Up filters on
    datetime for last_modified_at, and they only support a date, not datetime.
    """
    # FIXME: Add filter for event_date?
    created_at__gt = validate_date(self.request.query_params.get('created_at__gt', None))
    if created_at__gt is not None:
        queryset = queryset.filter(created_at__gt=created_at__gt)
    created_at__lt = validate_date(self.request.query_params.get('created_at__lt', None))
    if created_at__lt is not None:
        queryset = queryset.filter(created_at__lt=created_at__lt)
    last_modified_at__gt = validate_date(self.request.query_params.get('last_modified_at__gt', None))
    if last_modified_at__gt is not None:
        queryset = queryset.filter(last_modified_at__gt=last_modified_at__gt)
    last_modified_at__lt = validate_date(self.request.query_params.get('last_modified_at__lt', None))
    if last_modified_at__lt is not None:
        queryset = queryset.filter(last_modified_at__lt=last_modified_at__lt)
    # Get updates per organisation
    project__partners = self.request.query_params.get('project__partners', None)
    if project__partners:
        queryset = queryset.filter(project__partners=project__partners)
    user__organisations = self.request.query_params.get('user__organisations', None)
    if user__organisations:
        queryset = queryset.filter(user__organisations=user__organisations)
    return super().METHOD_NAME(queryset)