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

 The Amazon Bedrock model configuration for evaluation. 

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

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

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

```
{
  "[AdditionalModelRequestFields](#cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-additionalmodelrequestfields)" : Json,
  "[InferenceConfig](#cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-inferenceconfig)" : InferenceConfiguration,
  "[ModelId](#cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-modelid)" : String
}
```

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

```
  [AdditionalModelRequestFields](#cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-additionalmodelrequestfields): Json
  [InferenceConfig](#cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-inferenceconfig): 
    InferenceConfiguration
  [ModelId](#cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-modelid): String
```

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

`AdditionalModelRequestFields`  <a name="cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-additionalmodelrequestfields"></a>
 Additional model-specific request fields to customize model behavior beyond the standard inference configuration.   
*Required*: No  
*Type*: Json  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`InferenceConfig`  <a name="cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-inferenceconfig"></a>
 The inference configuration parameters that control model behavior during evaluation, including temperature, token limits, and sampling settings.   
*Required*: No  
*Type*: [InferenceConfiguration](aws-properties-bedrockagentcore-evaluator-inferenceconfiguration.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ModelId`  <a name="cfn-bedrockagentcore-evaluator-bedrockevaluatormodelconfig-modelid"></a>
 The identifier of the Amazon Bedrock model to use for evaluation. Must be a supported foundation model available in your region.   
*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)