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

# AWS::OpenSearchService::Domain Idp
<a name="aws-properties-opensearchservice-domain-idp"></a>

The SAML Identity Provider's information.

## Syntax
<a name="aws-properties-opensearchservice-domain-idp-syntax"></a>

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

### JSON
<a name="aws-properties-opensearchservice-domain-idp-syntax.json"></a>

```
{
  "[EntityId](#cfn-opensearchservice-domain-idp-entityid)" : {{String}},
  "[MetadataContent](#cfn-opensearchservice-domain-idp-metadatacontent)" : {{String}}
}
```

### YAML
<a name="aws-properties-opensearchservice-domain-idp-syntax.yaml"></a>

```
  [EntityId](#cfn-opensearchservice-domain-idp-entityid): {{String}}
  [MetadataContent](#cfn-opensearchservice-domain-idp-metadatacontent): {{String}}
```

## Properties
<a name="aws-properties-opensearchservice-domain-idp-properties"></a>

`EntityId`  <a name="cfn-opensearchservice-domain-idp-entityid"></a>
The unique entity ID of the application in the SAML identity provider.  
*Required*: Yes  
*Type*: String  
*Minimum*: `8`  
*Maximum*: `512`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`MetadataContent`  <a name="cfn-opensearchservice-domain-idp-metadatacontent"></a>
The metadata of the SAML application, in XML format.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `1048576`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)