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::ARCRegionSwitch::Plan RdsPromoteReadReplicaConfiguration
<a name="aws-properties-arcregionswitch-plan-rdspromotereadreplicaconfiguration"></a>

Configuration for promoting an Amazon RDS read replica to a standalone database instance during a Region switch.

## Syntax
<a name="aws-properties-arcregionswitch-plan-rdspromotereadreplicaconfiguration-syntax"></a>

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

### JSON
<a name="aws-properties-arcregionswitch-plan-rdspromotereadreplicaconfiguration-syntax.json"></a>

```
{
  "[CrossAccountRole](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-crossaccountrole)" : {{String}},
  "[DbInstanceArnMap](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-dbinstancearnmap)" : {{{{{Key}}: {{Value}}, ...}}},
  "[ExternalId](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-externalid)" : {{String}},
  "[TimeoutMinutes](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-timeoutminutes)" : {{Number}}
}
```

### YAML
<a name="aws-properties-arcregionswitch-plan-rdspromotereadreplicaconfiguration-syntax.yaml"></a>

```
  [CrossAccountRole](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-crossaccountrole): {{String}}
  [DbInstanceArnMap](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-dbinstancearnmap): {{
    {{Key}}: {{Value}}}}
  [ExternalId](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-externalid): {{String}}
  [TimeoutMinutes](#cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-timeoutminutes): {{Number}}
```

## Properties
<a name="aws-properties-arcregionswitch-plan-rdspromotereadreplicaconfiguration-properties"></a>

`CrossAccountRole`  <a name="cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-crossaccountrole"></a>
The cross-account role for the configuration.  
*Required*: No  
*Type*: String  
*Pattern*: `^arn:aws[a-zA-Z0-9-]*:iam::[0-9]{12}:role/.+$`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DbInstanceArnMap`  <a name="cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-dbinstancearnmap"></a>
A map of database instance ARNs for each Region in the plan.  
*Required*: Yes  
*Type*: Object of String  
*Pattern*: `^[a-z]{2}-[a-z-]+-\d+$`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ExternalId`  <a name="cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-externalid"></a>
The external ID (secret key) for the configuration.  
*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)

`TimeoutMinutes`  <a name="cfn-arcregionswitch-plan-rdspromotereadreplicaconfiguration-timeoutminutes"></a>
The timeout value specified for the configuration.  
*Required*: No  
*Type*: Number  
*Minimum*: `1`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)