# Alarm
<a name="API_Alarm"></a>

Indicates the Amazon CloudWatch alarm detected while running an assessment.

## Contents
<a name="API_Alarm_Contents"></a>

 ** alarmArn **   <a name="resiliencehub-Type-Alarm-alarmArn"></a>
Amazon Resource Name (ARN) of the Amazon CloudWatch alarm.  
Type: String  
Pattern: `arn:(aws|aws-cn|aws-iso|aws-iso-[a-z]{1}|aws-us-gov):[A-Za-z0-9][A-Za-z0-9_/.-]{0,62}:([a-z]{2}-((iso[a-z]{0,1}-)|(gov-)){0,1}[a-z]+-[0-9]):[0-9]{12}:[A-Za-z0-9/][A-Za-z0-9:_/+.-]{0,1023}`   
Required: No

 ** source **   <a name="resiliencehub-Type-Alarm-source"></a>
Indicates the source of the Amazon CloudWatch alarm. That is, it indicates if the alarm was created using AWS Resilience Hub recommendation (`AwsResilienceHub`), or if you had created the alarm in Amazon CloudWatch (`Customer`).  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/resiliencehub-2020-04-30/Alarm) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/resiliencehub-2020-04-30/Alarm) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/resiliencehub-2020-04-30/Alarm)