

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::Neptune::DBCluster DBClusterRole
<a name="aws-properties-neptune-dbcluster-dbclusterrole"></a>

Describes an Amazon Identity and Access Management (IAM) role that is associated with a DB cluster.

## Syntax
<a name="aws-properties-neptune-dbcluster-dbclusterrole-syntax"></a>

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

### JSON
<a name="aws-properties-neptune-dbcluster-dbclusterrole-syntax.json"></a>

```
{
  "[FeatureName](#cfn-neptune-dbcluster-dbclusterrole-featurename)" : String,
  "[RoleArn](#cfn-neptune-dbcluster-dbclusterrole-rolearn)" : String
}
```

### YAML
<a name="aws-properties-neptune-dbcluster-dbclusterrole-syntax.yaml"></a>

```
  [FeatureName](#cfn-neptune-dbcluster-dbclusterrole-featurename): String
  [RoleArn](#cfn-neptune-dbcluster-dbclusterrole-rolearn): String
```

## Properties
<a name="aws-properties-neptune-dbcluster-dbclusterrole-properties"></a>

`FeatureName`  <a name="cfn-neptune-dbcluster-dbclusterrole-featurename"></a>
The name of the feature associated with the Amazon Identity and Access Management (IAM) role. For the list of supported feature names, see [DescribeDBEngineVersions](https://docs.amazonaws.cn/neptune/latest/userguide/api-other-apis.html#DescribeDBEngineVersions).  
*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)

`RoleArn`  <a name="cfn-neptune-dbcluster-dbclusterrole-rolearn"></a>
The Amazon Resource Name (ARN) of the IAM role that is associated with the DB cluster.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)