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

An object that represents the service discovery information for a virtual node.

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

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

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

```
{
  "[AWSCloudMap](#cfn-appmesh-virtualnode-servicediscovery-awscloudmap)" : AwsCloudMapServiceDiscovery,
  "[DNS](#cfn-appmesh-virtualnode-servicediscovery-dns)" : DnsServiceDiscovery
}
```

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

```
  [AWSCloudMap](#cfn-appmesh-virtualnode-servicediscovery-awscloudmap): 
    AwsCloudMapServiceDiscovery
  [DNS](#cfn-appmesh-virtualnode-servicediscovery-dns): 
    DnsServiceDiscovery
```

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

`AWSCloudMap`  <a name="cfn-appmesh-virtualnode-servicediscovery-awscloudmap"></a>
Specifies any AWS Cloud Map information for the virtual node.  
*Required*: No  
*Type*: [AwsCloudMapServiceDiscovery](aws-properties-appmesh-virtualnode-awscloudmapservicediscovery.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DNS`  <a name="cfn-appmesh-virtualnode-servicediscovery-dns"></a>
Specifies the DNS information for the virtual node.  
*Required*: No  
*Type*: [DnsServiceDiscovery](aws-properties-appmesh-virtualnode-dnsservicediscovery.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)