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::IoT::CACertificate RegistrationConfig
<a name="aws-properties-iot-cacertificate-registrationconfig"></a>

The registration configuration.

## Syntax
<a name="aws-properties-iot-cacertificate-registrationconfig-syntax"></a>

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

### JSON
<a name="aws-properties-iot-cacertificate-registrationconfig-syntax.json"></a>

```
{
  "[RoleArn](#cfn-iot-cacertificate-registrationconfig-rolearn)" : String,
  "[TemplateBody](#cfn-iot-cacertificate-registrationconfig-templatebody)" : String,
  "[TemplateName](#cfn-iot-cacertificate-registrationconfig-templatename)" : String
}
```

### YAML
<a name="aws-properties-iot-cacertificate-registrationconfig-syntax.yaml"></a>

```
  [RoleArn](#cfn-iot-cacertificate-registrationconfig-rolearn): String
  [TemplateBody](#cfn-iot-cacertificate-registrationconfig-templatebody): String
  [TemplateName](#cfn-iot-cacertificate-registrationconfig-templatename): String
```

## Properties
<a name="aws-properties-iot-cacertificate-registrationconfig-properties"></a>

`RoleArn`  <a name="cfn-iot-cacertificate-registrationconfig-rolearn"></a>
The ARN of the role.  
*Required*: No  
*Type*: String  
*Pattern*: `arn:(aws[a-zA-Z-]*)?:iam::\d{12}:role/?[a-zA-Z_0-9+=,.@\-_/]+`  
*Minimum*: `20`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`TemplateBody`  <a name="cfn-iot-cacertificate-registrationconfig-templatebody"></a>
The template body.  
*Required*: No  
*Type*: String  
*Pattern*: `[\s\S]*`  
*Minimum*: `0`  
*Maximum*: `10240`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`TemplateName`  <a name="cfn-iot-cacertificate-registrationconfig-templatename"></a>
The name of the provisioning template.  
*Required*: No  
*Type*: String  
*Pattern*: `^[0-9A-Za-z_-]+$`  
*Minimum*: `1`  
*Maximum*: `36`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)