# ServiceUpdate
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An update that you can apply to your Valkey or Redis OSS clusters.

## Contents
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**Note**  
In the following list, the required parameters are described first.

 ** AutoUpdateAfterRecommendedApplyByDate **   
Indicates whether the service update will be automatically applied once the recommended apply-by date has expired.   
Type: Boolean  
Required: No

 ** Engine **   
The Elasticache engine to which the update applies. Either Valkey, Redis OSS or Memcached.  
Type: String  
Required: No

 ** EngineVersion **   
The Elasticache engine version to which the update applies. Either Valkey, Redis OSS or Memcached engine version.  
Type: String  
Required: No

 ** EstimatedUpdateTime **   
The estimated length of time the service update will take  
Type: String  
Required: No

 ** ServiceUpdateDescription **   
Provides details of the service update  
Type: String  
Required: No

 ** ServiceUpdateEndDate **   
The date after which the service update is no longer available  
Type: Timestamp  
Required: No

 ** ServiceUpdateName **   
The unique ID of the service update  
Type: String  
Required: No

 ** ServiceUpdateRecommendedApplyByDate **   
The recommendend date to apply the service update in order to ensure compliance. For information on compliance, see [Self-Service Security Updates for Compliance](https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/elasticache-compliance.html#elasticache-compliance-self-service).  
Type: Timestamp  
Required: No

 ** ServiceUpdateReleaseDate **   
The date when the service update is initially available  
Type: Timestamp  
Required: No

 ** ServiceUpdateSeverity **   
The severity of the service update  
Type: String  
Valid Values: `critical | important | medium | low`   
Required: No

 ** ServiceUpdateStatus **   
The status of the service update  
Type: String  
Valid Values: `available | cancelled | expired`   
Required: No

 ** ServiceUpdateType **   
Reflects the nature of the service update  
Type: String  
Valid Values: `security-update`   
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/elasticache-2015-02-02/ServiceUpdate) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/elasticache-2015-02-02/ServiceUpdate) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/elasticache-2015-02-02/ServiceUpdate)