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

An object that represents a Transport Layer Security (TLS) validation context trust for an AWS Certificate Manager certificate.

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

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

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

```
{
  "[CertificateAuthorityArns](#cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontextacmtrust-certificateauthorityarns)" : [ String, ... ]
}
```

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

```
  [CertificateAuthorityArns](#cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontextacmtrust-certificateauthorityarns): 
    - String
```

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

`CertificateAuthorityArns`  <a name="cfn-appmesh-virtualgateway-virtualgatewaytlsvalidationcontextacmtrust-certificateauthorityarns"></a>
One or more ACM Amazon Resource Name (ARN)s.  
*Required*: Yes  
*Type*: Array of String  
*Minimum*: `1`  
*Maximum*: `3`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)