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::Bedrock::Guardrail TopicsTierConfig
<a name="aws-properties-bedrock-guardrail-topicstierconfig"></a>

The tier that your guardrail uses for denied topic filters. Consider using a tier that balances performance, accuracy, and compatibility with your existing generative AI workflows.

## Syntax
<a name="aws-properties-bedrock-guardrail-topicstierconfig-syntax"></a>

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

### JSON
<a name="aws-properties-bedrock-guardrail-topicstierconfig-syntax.json"></a>

```
{
  "[TierName](#cfn-bedrock-guardrail-topicstierconfig-tiername)" : {{String}}
}
```

### YAML
<a name="aws-properties-bedrock-guardrail-topicstierconfig-syntax.yaml"></a>

```
  [TierName](#cfn-bedrock-guardrail-topicstierconfig-tiername): {{String}}
```

## Properties
<a name="aws-properties-bedrock-guardrail-topicstierconfig-properties"></a>

`TierName`  <a name="cfn-bedrock-guardrail-topicstierconfig-tiername"></a>
The tier that your guardrail uses for denied topic filters. Valid values include:  
+ `CLASSIC` tier – Provides established guardrails functionality supporting English, French, and Spanish languages.
+ `STANDARD` tier – Provides a more robust solution than the `CLASSIC` tier and has more comprehensive language support. This tier requires that your guardrail use [cross-Region inference](https://docs.amazonaws.cn/bedrock/latest/userguide/guardrails-cross-region.html).
*Required*: Yes  
*Type*: String  
*Allowed values*: `CLASSIC | STANDARD`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)