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# AWS::AppMesh::VirtualGateway VirtualGatewayClientTlsCertificate
<a name="aws-properties-appmesh-virtualgateway-virtualgatewayclienttlscertificate"></a>

An object that represents the virtual gateway's client's Transport Layer Security (TLS) certificate.

## Syntax
<a name="aws-properties-appmesh-virtualgateway-virtualgatewayclienttlscertificate-syntax"></a>

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

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

```
{
  "[File](#cfn-appmesh-virtualgateway-virtualgatewayclienttlscertificate-file)" : VirtualGatewayListenerTlsFileCertificate,
  "[SDS](#cfn-appmesh-virtualgateway-virtualgatewayclienttlscertificate-sds)" : VirtualGatewayListenerTlsSdsCertificate
}
```

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

```
  [File](#cfn-appmesh-virtualgateway-virtualgatewayclienttlscertificate-file): 
    VirtualGatewayListenerTlsFileCertificate
  [SDS](#cfn-appmesh-virtualgateway-virtualgatewayclienttlscertificate-sds): 
    VirtualGatewayListenerTlsSdsCertificate
```

## Properties
<a name="aws-properties-appmesh-virtualgateway-virtualgatewayclienttlscertificate-properties"></a>

`File`  <a name="cfn-appmesh-virtualgateway-virtualgatewayclienttlscertificate-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.amazonaws.cn/app-mesh/latest/userguide/tls.html).  
*Required*: No  
*Type*: [VirtualGatewayListenerTlsFileCertificate](aws-properties-appmesh-virtualgateway-virtualgatewaylistenertlsfilecertificate.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`SDS`  <a name="cfn-appmesh-virtualgateway-virtualgatewayclienttlscertificate-sds"></a>
A reference to an object that represents a virtual gateway's client's Secret Discovery Service certificate.  
*Required*: No  
*Type*: [VirtualGatewayListenerTlsSdsCertificate](aws-properties-appmesh-virtualgateway-virtualgatewaylistenertlssdscertificate.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)