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::AmazonMQ::Broker EncryptionOptions
<a name="aws-properties-amazonmq-broker-encryptionoptions"></a>

Encryption options for the broker.

## Syntax
<a name="aws-properties-amazonmq-broker-encryptionoptions-syntax"></a>

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

### JSON
<a name="aws-properties-amazonmq-broker-encryptionoptions-syntax.json"></a>

```
{
  "[KmsKeyId](#cfn-amazonmq-broker-encryptionoptions-kmskeyid)" : String,
  "[UseAwsOwnedKey](#cfn-amazonmq-broker-encryptionoptions-useawsownedkey)" : Boolean
}
```

### YAML
<a name="aws-properties-amazonmq-broker-encryptionoptions-syntax.yaml"></a>

```
  [KmsKeyId](#cfn-amazonmq-broker-encryptionoptions-kmskeyid): String
  [UseAwsOwnedKey](#cfn-amazonmq-broker-encryptionoptions-useawsownedkey): Boolean
```

## Properties
<a name="aws-properties-amazonmq-broker-encryptionoptions-properties"></a>

`KmsKeyId`  <a name="cfn-amazonmq-broker-encryptionoptions-kmskeyid"></a>
The customer master key (CMK) to use for the A Amazon KMS (KMS). This key is used to encrypt your data at rest. If not provided, Amazon MQ will use a default CMK to encrypt your data.  
*Required*: No  
*Type*: String  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`UseAwsOwnedKey`  <a name="cfn-amazonmq-broker-encryptionoptions-useawsownedkey"></a>
Enables the use of an Amazon owned CMK using Amazon KMS (KMS). Set to `true` by default, if no value is provided, for example, for RabbitMQ brokers.  
*Required*: Yes  
*Type*: Boolean  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)