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

Details for client authentication using SASL for VpcConnectivity.

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

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

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

```
{
  "[Iam](#cfn-msk-cluster-vpcconnectivitysasl-iam)" : VpcConnectivityIam,
  "[Scram](#cfn-msk-cluster-vpcconnectivitysasl-scram)" : VpcConnectivityScram
}
```

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

```
  [Iam](#cfn-msk-cluster-vpcconnectivitysasl-iam): 
    VpcConnectivityIam
  [Scram](#cfn-msk-cluster-vpcconnectivitysasl-scram): 
    VpcConnectivityScram
```

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

`Iam`  <a name="cfn-msk-cluster-vpcconnectivitysasl-iam"></a>
Details for ClientAuthentication using IAM for VpcConnectivity.  
*Required*: No  
*Type*: [VpcConnectivityIam](aws-properties-msk-cluster-vpcconnectivityiam.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Scram`  <a name="cfn-msk-cluster-vpcconnectivitysasl-scram"></a>
Details for SASL/SCRAM client authentication for VpcConnectivity.  
*Required*: No  
*Type*: [VpcConnectivityScram](aws-properties-msk-cluster-vpcconnectivityscram.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)