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

# AWS::MSK::Replicator KafkaClusterEncryptionInTransit
<a name="aws-properties-msk-replicator-kafkaclusterencryptionintransit"></a>

Details of encryption in transit to the Apache Kafka cluster.

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

### JSON
<a name="aws-properties-msk-replicator-kafkaclusterencryptionintransit-syntax.json"></a>

```
{
  "[EncryptionType](#cfn-msk-replicator-kafkaclusterencryptionintransit-encryptiontype)" : String,
  "[RootCaCertificate](#cfn-msk-replicator-kafkaclusterencryptionintransit-rootcacertificate)" : String
}
```

### YAML
<a name="aws-properties-msk-replicator-kafkaclusterencryptionintransit-syntax.yaml"></a>

```
  [EncryptionType](#cfn-msk-replicator-kafkaclusterencryptionintransit-encryptiontype): String
  [RootCaCertificate](#cfn-msk-replicator-kafkaclusterencryptionintransit-rootcacertificate): String
```

## Properties
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`EncryptionType`  <a name="cfn-msk-replicator-kafkaclusterencryptionintransit-encryptiontype"></a>
The type of encryption in transit to the Apache Kafka cluster.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `TLS`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`RootCaCertificate`  <a name="cfn-msk-replicator-kafkaclusterencryptionintransit-rootcacertificate"></a>
Amazon Resource Name (ARN) of the Secrets Manager secret containing the root CA certificate for TLS encryption.  
*Required*: No  
*Type*: String  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)