# ContactTargetInfo
<a name="API_SSMContacts_ContactTargetInfo"></a>

The contact that Incident Manager is engaging during an incident.

## Contents
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 ** IsEssential **   <a name="IncidentManager-Type-SSMContacts_ContactTargetInfo-IsEssential"></a>
A Boolean value determining if the contact's acknowledgement stops the progress of stages in the plan.  
Type: Boolean  
Required: Yes

 ** ContactId **   <a name="IncidentManager-Type-SSMContacts_ContactTargetInfo-ContactId"></a>
The Amazon Resource Name (ARN) of the contact.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `arn:(aws|aws-cn|aws-us-gov):ssm-contacts:[-\w+=\/,.@]*:[0-9]+:([\w+=\/,.@:-])*`   
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/ssm-contacts-2021-05-03/ContactTargetInfo) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ssm-contacts-2021-05-03/ContactTargetInfo) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ssm-contacts-2021-05-03/ContactTargetInfo)