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# AWS::Kendra::Index ServerSideEncryptionConfiguration
<a name="aws-properties-kendra-index-serversideencryptionconfiguration"></a>

Provides the identifier of the AWS KMS customer master key (CMK) used to encrypt data indexed by Amazon Kendra. We suggest that you use a CMK from your account to help secure your index. Amazon Kendra doesn't support asymmetric CMKs.

## Syntax
<a name="aws-properties-kendra-index-serversideencryptionconfiguration-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-kendra-index-serversideencryptionconfiguration-syntax.json"></a>

```
{
  "[KmsKeyId](#cfn-kendra-index-serversideencryptionconfiguration-kmskeyid)" : String
}
```

### YAML
<a name="aws-properties-kendra-index-serversideencryptionconfiguration-syntax.yaml"></a>

```
  [KmsKeyId](#cfn-kendra-index-serversideencryptionconfiguration-kmskeyid): String
```

## Properties
<a name="aws-properties-kendra-index-serversideencryptionconfiguration-properties"></a>

`KmsKeyId`  <a name="cfn-kendra-index-serversideencryptionconfiguration-kmskeyid"></a>
The identifier of the AWS KMS key. Amazon Kendra doesn't support asymmetric keys.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `2048`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)