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

An object that represents a Transport Layer Security (TLS) validation context.

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

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

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

```
{
  "[SubjectAlternativeNames](#cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontext-subjectalternativenames)" : SubjectAlternativeNames,
  "[Trust](#cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontext-trust)" : VirtualGatewayTlsValidationContextTrust
}
```

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

```
  [SubjectAlternativeNames](#cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontext-subjectalternativenames): 
    SubjectAlternativeNames
  [Trust](#cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontext-trust): 
    VirtualGatewayTlsValidationContextTrust
```

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

`SubjectAlternativeNames`  <a name="cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontext-subjectalternativenames"></a>
A reference to an object that represents the SANs for a virtual gateway's listener's Transport Layer Security (TLS) validation context.  
*Required*: No  
*Type*: [SubjectAlternativeNames](aws-properties-appmesh-virtualgateway-subjectalternativenames.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Trust`  <a name="cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontext-trust"></a>
A reference to where to retrieve the trust chain when validating a peer’s Transport Layer Security (TLS) certificate.  
*Required*: Yes  
*Type*: [VirtualGatewayTlsValidationContextTrust](aws-properties-appmesh-virtualgateway-virtualgatewaytlsvalidationcontexttrust.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)