# Service
<a name="API_Service"></a>

Represents a service in Resilience Hub. A service is the primary unit of resilience assessment.

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

 ** name **   <a name="ngresiliencehub-Type-Service-name"></a>
Resource name (used in ARN — no spaces allowed).  
Type: String  
Length Constraints: Minimum length of 2. Maximum length of 60.  
Pattern: `[A-Za-z0-9][A-Za-z0-9_\-]{1,59}`   
Required: Yes

 ** serviceArn **   <a name="ngresiliencehub-Type-Service-serviceArn"></a>
ARN identifier.  
Type: String  
Length Constraints: Minimum length of 31.  
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: Yes

 ** accountId **   <a name="ngresiliencehub-Type-Service-accountId"></a>
The AWS account ID that owns the service.  
Type: String  
Length Constraints: Fixed length of 12.  
Pattern: `[0-9]{12}`   
Required: No

 ** achievability **   <a name="ngresiliencehub-Type-Service-achievability"></a>
The achievability status of the service's resilience targets.  
Type: [Achievability](API_Achievability.md) object  
Required: No

 ** assessmentStatus **   <a name="ngresiliencehub-Type-Service-assessmentStatus"></a>
The current assessment status of the service.  
Type: String  
Valid Values: `NOT_STARTED | PENDING | IN_PROGRESS | FAILED | SUCCESS`   
Required: No

 ** associatedSystems **   <a name="ngresiliencehub-Type-Service-associatedSystems"></a>
The systems associated with the service.  
Type: Array of [AssociatedSystem](API_AssociatedSystem.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 20 items.  
Required: No

 ** createdAt **   <a name="ngresiliencehub-Type-Service-createdAt"></a>
The timestamp when the service was created.  
Type: Timestamp  
Required: No

 ** dependencyDiscovery **   <a name="ngresiliencehub-Type-Service-dependencyDiscovery"></a>
The dependency discovery configuration for the service.  
Type: [DependencyDiscoveryConfig](API_DependencyDiscoveryConfig.md) object  
Required: No

 ** description **   <a name="ngresiliencehub-Type-Service-description"></a>
Resource description for services and policies.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 615.  
Required: No

 ** effectivePolicyValues **   <a name="ngresiliencehub-Type-Service-effectivePolicyValues"></a>
The effective policy values for the service.  
Type: [EffectivePolicyValues](API_EffectivePolicyValues.md) object  
Required: No

 ** estimatedAssessmentCost **   <a name="ngresiliencehub-Type-Service-estimatedAssessmentCost"></a>
The estimated cost of running an assessment on the service.  
Type: [AssessmentCost](API_AssessmentCost.md) object  
Required: No

 ** kmsKeyId **   <a name="ngresiliencehub-Type-Service-kmsKeyId"></a>
KMS key identifier — accepts key ID, key ARN, alias name, or alias ARN.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Required: No

 ** openFindingsCount **   <a name="ngresiliencehub-Type-Service-openFindingsCount"></a>
The number of open findings for the service.  
Type: Integer  
Required: No

 ** organizationId **   <a name="ngresiliencehub-Type-Service-organizationId"></a>
The AWS Organizations identifier for the service.  
Type: String  
Length Constraints: Minimum length of 12. Maximum length of 34.  
Pattern: `o-[a-z0-9]{10,32}`   
Required: No

 ** ouId **   <a name="ngresiliencehub-Type-Service-ouId"></a>
The organizational unit (OU) identifier for the service.  
Type: String  
Length Constraints: Minimum length of 16. Maximum length of 68.  
Pattern: `ou-[a-z0-9]{4,32}-[a-z0-9]{8,32}`   
Required: No

 ** permissionModel **   <a name="ngresiliencehub-Type-Service-permissionModel"></a>
The permission model for the service.  
Type: [PermissionModel](API_PermissionModel.md) object  
Required: No

 ** policyArn **   <a name="ngresiliencehub-Type-Service-policyArn"></a>
ARN identifier.  
Type: String  
Length Constraints: Minimum length of 31.  
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

 ** regions **   <a name="ngresiliencehub-Type-Service-regions"></a>
The AWS Regions where the service operates.  
Type: Array of strings  
Array Members: Minimum number of 1 item. Maximum number of 5 items.  
Length Constraints: Minimum length of 6.  
Pattern: `[a-z]{2}-((iso[a-z]{0,1}-)|(gov-)){0,1}[a-z]+-[0-9]`   
Required: No

 ** reportConfiguration **   <a name="ngresiliencehub-Type-Service-reportConfiguration"></a>
Configuration for automatic report generation on a Service.  
Type: [ServiceReportConfiguration](API_ServiceReportConfiguration.md) object  
Required: No

 ** rerunAssessment **   <a name="ngresiliencehub-Type-Service-rerunAssessment"></a>
Indicates whether the assessment should be rerun.  
Type: Boolean  
Required: No

 ** resolvedFindingsCount **   <a name="ngresiliencehub-Type-Service-resolvedFindingsCount"></a>
The number of resolved findings for the service.  
Type: Integer  
Required: No

 ** resourceDiscovery **   <a name="ngresiliencehub-Type-Service-resourceDiscovery"></a>
The resource discovery status for the service.  
Type: [ResourceDiscoveryStatus](API_ResourceDiscoveryStatus.md) object  
Required: No

 ** tags **   <a name="ngresiliencehub-Type-Service-tags"></a>
Resource tags.  
Type: String to string map  
Map Entries: Maximum number of 50 items.  
Key Length Constraints: Minimum length of 1. Maximum length of 128.  
Key Pattern: `[^\x00-\x1f\x22]+`   
Value Length Constraints: Minimum length of 0. Maximum length of 256.  
Value Pattern: `[^\x00-\x1f\x22]*`   
Required: No

 ** updatedAt **   <a name="ngresiliencehub-Type-Service-updatedAt"></a>
The timestamp when the service was last updated.  
Type: Timestamp  
Required: No

## See Also
<a name="API_Service_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/resiliencehubv2-2026-02-17/Service) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/resiliencehubv2-2026-02-17/Service) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/resiliencehubv2-2026-02-17/Service)