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# AWS::MSK::Cluster VpcConnectivityClientAuthentication
<a name="aws-properties-msk-cluster-vpcconnectivityclientauthentication"></a>

Includes all client authentication information for VpcConnectivity.

## Syntax
<a name="aws-properties-msk-cluster-vpcconnectivityclientauthentication-syntax"></a>

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

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

```
{
  "[Sasl](#cfn-msk-cluster-vpcconnectivityclientauthentication-sasl)" : VpcConnectivitySasl,
  "[Tls](#cfn-msk-cluster-vpcconnectivityclientauthentication-tls)" : VpcConnectivityTls
}
```

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

```
  [Sasl](#cfn-msk-cluster-vpcconnectivityclientauthentication-sasl): 
    VpcConnectivitySasl
  [Tls](#cfn-msk-cluster-vpcconnectivityclientauthentication-tls): 
    VpcConnectivityTls
```

## Properties
<a name="aws-properties-msk-cluster-vpcconnectivityclientauthentication-properties"></a>

`Sasl`  <a name="cfn-msk-cluster-vpcconnectivityclientauthentication-sasl"></a>
Details for VpcConnectivity ClientAuthentication using SASL.  
*Required*: No  
*Type*: [VpcConnectivitySasl](aws-properties-msk-cluster-vpcconnectivitysasl.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Tls`  <a name="cfn-msk-cluster-vpcconnectivityclientauthentication-tls"></a>
Details for VpcConnectivity ClientAuthentication using TLS.  
*Required*: No  
*Type*: [VpcConnectivityTls](aws-properties-msk-cluster-vpcconnectivitytls.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)