{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "DescribeAlarmHistoryInput", "type": "object", "properties": { "AlarmName": { "type": "string", "description": "The name of the alarm." }, "AlarmTypes": { "type": "array", "description": "Specify this parameter to receive information only about alarms of the specified types." }, "HistoryItemType": { "type": "string", "description": "The type of alarm histories to retrieve." }, "StartDate": { "type": "string", "description": "The starting date to retrieve alarm history." }, "EndDate": { "type": "string", "description": "The ending date to retrieve alarm history." }, "MaxRecords": { "type": "integer", "description": "The maximum number of alarm history records to retrieve." }, "NextToken": { "type": "string", "description": "The token returned by a previous call." }, "ScanBy": { "type": "string", "description": "Specified whether to return the newest or oldest alarm history first." } } }