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# AWS::AppMesh::VirtualNode ClientTlsCertificate
<a name="aws-properties-appmesh-virtualnode-clienttlscertificate"></a>

An object that represents the client's certificate.

## Syntax
<a name="aws-properties-appmesh-virtualnode-clienttlscertificate-syntax"></a>

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

### JSON
<a name="aws-properties-appmesh-virtualnode-clienttlscertificate-syntax.json"></a>

```
{
  "[File](#cfn-appmesh-virtualnode-clienttlscertificate-file)" : ListenerTlsFileCertificate,
  "[SDS](#cfn-appmesh-virtualnode-clienttlscertificate-sds)" : ListenerTlsSdsCertificate
}
```

### YAML
<a name="aws-properties-appmesh-virtualnode-clienttlscertificate-syntax.yaml"></a>

```
  [File](#cfn-appmesh-virtualnode-clienttlscertificate-file): 
    ListenerTlsFileCertificate
  [SDS](#cfn-appmesh-virtualnode-clienttlscertificate-sds): 
    ListenerTlsSdsCertificate
```

## Properties
<a name="aws-properties-appmesh-virtualnode-clienttlscertificate-properties"></a>

`File`  <a name="cfn-appmesh-virtualnode-clienttlscertificate-file"></a>
An object that represents a local file certificate. The certificate must meet specific requirements and you must have proxy authorization enabled. For more information, see [Transport Layer Security (TLS)](https://docs.aws.amazon.com/app-mesh/latest/userguide/tls.html).  
*Required*: No  
*Type*: [ListenerTlsFileCertificate](aws-properties-appmesh-virtualnode-listenertlsfilecertificate.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`SDS`  <a name="cfn-appmesh-virtualnode-clienttlscertificate-sds"></a>
A reference to an object that represents a client's TLS Secret Discovery Service certificate.  
*Required*: No  
*Type*: [ListenerTlsSdsCertificate](aws-properties-appmesh-virtualnode-listenertlssdscertificate.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)