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::ResilienceHub::App PhysicalResourceId
<a name="aws-properties-resiliencehub-app-physicalresourceid"></a>

Defines a physical resource identifier.

## Syntax
<a name="aws-properties-resiliencehub-app-physicalresourceid-syntax"></a>

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

### JSON
<a name="aws-properties-resiliencehub-app-physicalresourceid-syntax.json"></a>

```
{
  "[AwsAccountId](#cfn-resiliencehub-app-physicalresourceid-awsaccountid)" : String,
  "[AwsRegion](#cfn-resiliencehub-app-physicalresourceid-awsregion)" : String,
  "[Identifier](#cfn-resiliencehub-app-physicalresourceid-identifier)" : String,
  "[Type](#cfn-resiliencehub-app-physicalresourceid-type)" : String
}
```

### YAML
<a name="aws-properties-resiliencehub-app-physicalresourceid-syntax.yaml"></a>

```
  [AwsAccountId](#cfn-resiliencehub-app-physicalresourceid-awsaccountid): String
  [AwsRegion](#cfn-resiliencehub-app-physicalresourceid-awsregion): String
  [Identifier](#cfn-resiliencehub-app-physicalresourceid-identifier): String
  [Type](#cfn-resiliencehub-app-physicalresourceid-type): String
```

## Properties
<a name="aws-properties-resiliencehub-app-physicalresourceid-properties"></a>

`AwsAccountId`  <a name="cfn-resiliencehub-app-physicalresourceid-awsaccountid"></a>
The Amazon account that owns the physical resource.  
*Required*: No  
*Type*: String  
*Pattern*: `^[0-9]{12}$`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`AwsRegion`  <a name="cfn-resiliencehub-app-physicalresourceid-awsregion"></a>
The Amazon Web Services Region that the physical resource is located in.  
*Required*: No  
*Type*: String  
*Pattern*: `^[a-z]{2}-((iso[a-z]{0,1}-)|(gov-)){0,1}[a-z]+-[0-9]$`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Identifier`  <a name="cfn-resiliencehub-app-physicalresourceid-identifier"></a>
Identifier of the physical resource.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `255`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Type`  <a name="cfn-resiliencehub-app-physicalresourceid-type"></a>
Specifies the type of physical resource identifier.    
Arn  
The resource identifier is an Amazon Resource Name (ARN) and it can identify the following list of resources:  
+  `AWS::ECS::Service` 
+  `AWS::EFS::FileSystem` 
+  `AWS::ElasticLoadBalancingV2::LoadBalancer` 
+  `AWS::Lambda::Function` 
+  `AWS::SNS::Topic`   
Native  
The resource identifier is an Amazon Resilience Hub-native identifier and it can identify the following list of resources:  
+  `AWS::ApiGateway::RestApi` 
+  `AWS::ApiGatewayV2::Api` 
+  `AWS::AutoScaling::AutoScalingGroup` 
+  `AWS::DocDB::DBCluster` 
+  `AWS::DocDB::DBGlobalCluster` 
+  `AWS::DocDB::DBInstance` 
+  `AWS::DynamoDB::GlobalTable` 
+  `AWS::DynamoDB::Table` 
+  `AWS::EC2::EC2Fleet` 
+  `AWS::EC2::Instance` 
+  `AWS::EC2::NatGateway` 
+  `AWS::EC2::Volume` 
+  `AWS::ElasticLoadBalancing::LoadBalancer` 
+  `AWS::RDS::DBCluster` 
+  `AWS::RDS::DBInstance` 
+  `AWS::RDS::GlobalCluster` 
+  `AWS::Route53::RecordSet` 
+  `AWS::S3::Bucket` 
+  `AWS::SQS::Queue` 
*Required*: Yes  
*Type*: String  
*Pattern*: `Arn|Native`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)