This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::QBusiness::Application EncryptionConfiguration
<a name="aws-properties-qbusiness-application-encryptionconfiguration"></a>

Provides the identifier of the Amazon KMS key used to encrypt data indexed by Amazon Q Business. Amazon Q Business doesn't support asymmetric keys.

## Syntax
<a name="aws-properties-qbusiness-application-encryptionconfiguration-syntax"></a>

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

### JSON
<a name="aws-properties-qbusiness-application-encryptionconfiguration-syntax.json"></a>

```
{
  "[KmsKeyId](#cfn-qbusiness-application-encryptionconfiguration-kmskeyid)" : {{String}}
}
```

### YAML
<a name="aws-properties-qbusiness-application-encryptionconfiguration-syntax.yaml"></a>

```
  [KmsKeyId](#cfn-qbusiness-application-encryptionconfiguration-kmskeyid): {{String}}
```

## Properties
<a name="aws-properties-qbusiness-application-encryptionconfiguration-properties"></a>

`KmsKeyId`  <a name="cfn-qbusiness-application-encryptionconfiguration-kmskeyid"></a>
The identifier of the Amazon KMS key. Amazon Q Business doesn't support asymmetric keys.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `2048`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)