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# AWS::BedrockAgentCore::Evaluator EvaluatorConfig
<a name="aws-properties-bedrockagentcore-evaluator-evaluatorconfig"></a>

 The configuration of the evaluator, including LLM-as-a-Judge settings for custom evaluators. 

## Syntax
<a name="aws-properties-bedrockagentcore-evaluator-evaluatorconfig-syntax"></a>

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

### JSON
<a name="aws-properties-bedrockagentcore-evaluator-evaluatorconfig-syntax.json"></a>

```
{
  "[CodeBased](#cfn-bedrockagentcore-evaluator-evaluatorconfig-codebased)" : CodeBasedEvaluatorConfig,
  "[LlmAsAJudge](#cfn-bedrockagentcore-evaluator-evaluatorconfig-llmasajudge)" : LlmAsAJudgeEvaluatorConfig
}
```

### YAML
<a name="aws-properties-bedrockagentcore-evaluator-evaluatorconfig-syntax.yaml"></a>

```
  [CodeBased](#cfn-bedrockagentcore-evaluator-evaluatorconfig-codebased): 
    CodeBasedEvaluatorConfig
  [LlmAsAJudge](#cfn-bedrockagentcore-evaluator-evaluatorconfig-llmasajudge): 
    LlmAsAJudgeEvaluatorConfig
```

## Properties
<a name="aws-properties-bedrockagentcore-evaluator-evaluatorconfig-properties"></a>

`CodeBased`  <a name="cfn-bedrockagentcore-evaluator-evaluatorconfig-codebased"></a>
Property description not available.  
*Required*: No  
*Type*: [CodeBasedEvaluatorConfig](aws-properties-bedrockagentcore-evaluator-codebasedevaluatorconfig.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`LlmAsAJudge`  <a name="cfn-bedrockagentcore-evaluator-evaluatorconfig-llmasajudge"></a>
 The LLM-as-a-Judge configuration that uses a language model to evaluate agent performance based on custom instructions and rating scales.   
*Required*: No  
*Type*: [LlmAsAJudgeEvaluatorConfig](aws-properties-bedrockagentcore-evaluator-llmasajudgeevaluatorconfig.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)