# DescribeAlarmsForMetric
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Retrieves the alarms for the specified metric. To filter the results, specify a statistic, period, or unit.

This operation retrieves only standard alarms that are based on the specified metric. It does not return alarms based on math expressions that use the specified metric, or composite alarms that use the specified metric.

## Request Parameters
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 ** Dimensions **   
The dimensions associated with the metric. If the metric has any associated dimensions, you must specify them in order for the call to succeed.  
Type: Array of [Dimension](API_Dimension.md) objects  
Array Members: Maximum number of 30 items.  
Required: No

 ** ExtendedStatistic **   
The percentile statistic for the metric. Specify a value between p0.0 and p100.  
Type: String  
Required: No

 ** MetricName **   
The name of the metric.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Required: Yes

 ** Namespace **   
The namespace of the metric.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `[^:].*`   
Required: Yes

 ** Period **   
The period, in seconds, over which the statistic is applied.  
Type: Integer  
Valid Range: Minimum value of 1.  
Required: No

 ** Statistic **   
The statistic for the metric, other than percentiles. For percentile statistics, use `ExtendedStatistics`.  
Type: String  
Valid Values: `SampleCount | Average | Sum | Minimum | Maximum`   
Required: No

 ** Unit **   
The unit for the metric.  
Type: String  
Valid Values: `Seconds | Microseconds | Milliseconds | Bytes | Kilobytes | Megabytes | Gigabytes | Terabytes | Bits | Kilobits | Megabits | Gigabits | Terabits | Percent | Count | Bytes/Second | Kilobytes/Second | Megabytes/Second | Gigabytes/Second | Terabytes/Second | Bits/Second | Kilobits/Second | Megabits/Second | Gigabits/Second | Terabits/Second | Count/Second | None`   
Required: No

## Response Elements
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The following element is returned by the service.

 ** MetricAlarms **   
The information for each alarm with the specified metric.  
Type: Array of [MetricAlarm](API_MetricAlarm.md) objects

## Errors
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For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/monitoring-2010-08-01/DescribeAlarmsForMetric) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/monitoring-2010-08-01/DescribeAlarmsForMetric)