This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::Route53RecoveryReadiness::ResourceSet Resource
<a name="aws-properties-route53recoveryreadiness-resourceset-resource"></a>

The resource element of a resource set.

## Syntax
<a name="aws-properties-route53recoveryreadiness-resourceset-resource-syntax"></a>

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

### JSON
<a name="aws-properties-route53recoveryreadiness-resourceset-resource-syntax.json"></a>

```
{
  "[ComponentId](#cfn-route53recoveryreadiness-resourceset-resource-componentid)" : String,
  "[DnsTargetResource](#cfn-route53recoveryreadiness-resourceset-resource-dnstargetresource)" : DNSTargetResource,
  "[ReadinessScopes](#cfn-route53recoveryreadiness-resourceset-resource-readinessscopes)" : [ String, ... ],
  "[ResourceArn](#cfn-route53recoveryreadiness-resourceset-resource-resourcearn)" : String
}
```

### YAML
<a name="aws-properties-route53recoveryreadiness-resourceset-resource-syntax.yaml"></a>

```
  [ComponentId](#cfn-route53recoveryreadiness-resourceset-resource-componentid): String
  [DnsTargetResource](#cfn-route53recoveryreadiness-resourceset-resource-dnstargetresource): 
    DNSTargetResource
  [ReadinessScopes](#cfn-route53recoveryreadiness-resourceset-resource-readinessscopes): 
    - String
  [ResourceArn](#cfn-route53recoveryreadiness-resourceset-resource-resourcearn): String
```

## Properties
<a name="aws-properties-route53recoveryreadiness-resourceset-resource-properties"></a>

`ComponentId`  <a name="cfn-route53recoveryreadiness-resourceset-resource-componentid"></a>
The component identifier of the resource, generated when DNS target resource is used.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DnsTargetResource`  <a name="cfn-route53recoveryreadiness-resourceset-resource-dnstargetresource"></a>
A component for DNS/routing control readiness checks. This is a required setting when `ResourceSet``ResourceSetType` is set to `AWS::Route53RecoveryReadiness::DNSTargetResource`. Do not set it for any other `ResourceSetType` setting.   
*Required*: Conditional  
*Type*: [DNSTargetResource](aws-properties-route53recoveryreadiness-resourceset-dnstargetresource.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ReadinessScopes`  <a name="cfn-route53recoveryreadiness-resourceset-resource-readinessscopes"></a>
The recovery group Amazon Resource Name (ARN) or the cell ARN that the readiness checks for this resource set are scoped to.  
*Required*: No  
*Type*: Array of String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ResourceArn`  <a name="cfn-route53recoveryreadiness-resourceset-resource-resourcearn"></a>
The Amazon Resource Name (ARN) of the Amazon resource. This is a required setting for all `ResourceSet``ResourceSetType` settings except `AWS::Route53RecoveryReadiness::DNSTargetResource`. Do not set this when `ResourceSetType` is set to `AWS::Route53RecoveryReadiness::DNSTargetResource`.   
*Required*: Conditional  
*Type*: String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)