def get_event_series_list(self, object_type=[], status=[], activity_type=[], severity=[], cluster_ids=[], start_time=None, end_time = None):
    """Retrieve Events from Polaris

    Args:
        object_type (list): List of Object Types
        status (list): List of Event Status
        activity_type (list): List of Activity Types
        severity (list): List of severities
        cluster_ids (list): List of Cluster IDs (UUID)
        start_date (datetime): Timestamp to start return set from
        end_date (datetime): Timestamp to end return set from

    Returns:
        list: A list of dictionaries of Event Data

    Raises:
        RequestException: If the query to Polaris returned an error
    """
    try:
        query_name = "core_event_series_list"
        variables = {
            "filters": {
                "objectType": object_type,
                "lastActivityStatus": status,
                "lastActivityType": activity_type,
                "severity": severity,
                "cluster": {
                    "id": cluster_ids,
                },
                "lastUpdated_gt": start_time,
                "lastUpdated_lt": end_time,
                "objectName": ""
            }
        }
        response = self._query(query_name, variables)
        return response
    except Exception:
        raise