# ApplicationEncryptionConfigurationUpdate
<a name="API_ApplicationEncryptionConfigurationUpdate"></a>

Describes configuration updates to encryption at rest.

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

 ** KeyTypeUpdate **   <a name="APIReference-Type-ApplicationEncryptionConfigurationUpdate-KeyTypeUpdate"></a>
Specifies the type of key to be used for encryption at rest.  
Type: String  
Valid Values: `AWS_OWNED_KEY | CUSTOMER_MANAGED_KEY`   
Required: Yes

 ** KeyIdUpdate **   <a name="APIReference-Type-ApplicationEncryptionConfigurationUpdate-KeyIdUpdate"></a>
The key ARN, key ID, alias ARN, or alias name of the KMS key to be used for encryption at rest.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
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/kinesisanalyticsv2-2018-05-23/ApplicationEncryptionConfigurationUpdate) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/kinesisanalyticsv2-2018-05-23/ApplicationEncryptionConfigurationUpdate) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/kinesisanalyticsv2-2018-05-23/ApplicationEncryptionConfigurationUpdate)