The
AlarmHistoryItem data type contains descriptive information about
the history of a specific alarm. If you call DescribeAlarmHistory, Amazon CloudWatch
returns this data type as part of the DescribeAlarmHistoryResult data type.
Inheritance Hierarchy
Namespace: Amazon.CloudWatch.Model
Assembly: AWSSDK.dll
Version: (assembly version)
Syntax
public class AlarmHistoryItem : Object
The AlarmHistoryItem type exposes the following members
Constructors
| Name | Description | |
|---|---|---|
|
AlarmHistoryItem() |
Properties
| Name | Type | Description | |
|---|---|---|---|
|
|
AlarmName | System.String |
Gets and sets the property AlarmName.
The descriptive name for the alarm. |
|
|
HistoryData | System.String |
Gets and sets the property HistoryData.
Machine-readable data about the alarm in JSON format. |
|
|
HistoryItemType | Amazon.CloudWatch.HistoryItemType |
Gets and sets the property HistoryItemType.
The type of alarm history item. |
|
|
HistorySummary | System.String |
Gets and sets the property HistorySummary.
A human-readable summary of the alarm history. |
|
|
Timestamp | System.DateTime |
Gets and sets the property Timestamp.
The time stamp for the alarm history item. |
Examples
This example shows how to get history for an alarm.
Get alarm history example
var client = new AmazonCloudWatchClient();
var request = new DescribeAlarmHistoryRequest
{
AlarmName =
"awseb-e-kkbEXAMPLE-stack-CloudwatchAlarmLow-1WVXD9EXAMPLE",
EndDate = DateTime.Today,
HistoryItemType = HistoryItemType.Action,
MaxRecords = 1,
StartDate = DateTime.Today.Subtract(TimeSpan.FromDays(30))
};
var response = new DescribeAlarmHistoryResponse();
do
{
response = client.DescribeAlarmHistory(request);
foreach (var item in response.AlarmHistoryItems)
{
Console.WriteLine(item.AlarmName);
Console.WriteLine(item.HistorySummary);
Console.WriteLine();
}
request.NextToken = response.NextToken;
} while (!string.IsNullOrEmpty(response.NextToken));
Version Information
.NET Framework:
Supported in: 4.5, 4.0, 3.5
.NET for Windows Store apps:
Supported in: Windows 8.1, Windows 8
.NET for Windows Phone:
Supported in: Windows Phone 8.1, Windows Phone 8