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::DataZone::Domain SingleSignOn
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The single sign-on details in Amazon DataZone.

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

### JSON
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```
{
  "[IdcInstanceArn](#cfn-datazone-domain-singlesignon-idcinstancearn)" : String,
  "[Type](#cfn-datazone-domain-singlesignon-type)" : String,
  "[UserAssignment](#cfn-datazone-domain-singlesignon-userassignment)" : String
}
```

### YAML
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```
  [IdcInstanceArn](#cfn-datazone-domain-singlesignon-idcinstancearn): String
  [Type](#cfn-datazone-domain-singlesignon-type): String
  [UserAssignment](#cfn-datazone-domain-singlesignon-userassignment): String
```

## Properties
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`IdcInstanceArn`  <a name="cfn-datazone-domain-singlesignon-idcinstancearn"></a>
The ARN of the IDC instance.  
*Required*: No  
*Type*: String  
*Pattern*: `arn:(aws|aws-us-gov|aws-cn|aws-iso|aws-iso-b):sso:::instance/(sso)?ins-[a-zA-Z0-9-.]{16}`  
*Minimum*: `10`  
*Maximum*: `1224`  
*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-datazone-domain-singlesignon-type"></a>
The type of single sign-on in Amazon DataZone.  
*Required*: No  
*Type*: String  
*Allowed values*: `IAM_IDC | DISABLED`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`UserAssignment`  <a name="cfn-datazone-domain-singlesignon-userassignment"></a>
The single sign-on user assignment in Amazon DataZone.  
*Required*: No  
*Type*: String  
*Allowed values*: `AUTOMATIC | MANUAL`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)