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# AWS::BedrockAgentCore::OnlineEvaluationConfig Rule
<a name="aws-properties-bedrockagentcore-onlineevaluationconfig-rule"></a>

 The evaluation rule containing sampling configuration, filters, and session settings. 

## Syntax
<a name="aws-properties-bedrockagentcore-onlineevaluationconfig-rule-syntax"></a>

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

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

```
{
  "[Filters](#cfn-bedrockagentcore-onlineevaluationconfig-rule-filters)" : [ Filter, ... ],
  "[SamplingConfig](#cfn-bedrockagentcore-onlineevaluationconfig-rule-samplingconfig)" : SamplingConfig,
  "[SessionConfig](#cfn-bedrockagentcore-onlineevaluationconfig-rule-sessionconfig)" : SessionConfig
}
```

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

```
  [Filters](#cfn-bedrockagentcore-onlineevaluationconfig-rule-filters): 
    - Filter
  [SamplingConfig](#cfn-bedrockagentcore-onlineevaluationconfig-rule-samplingconfig): 
    SamplingConfig
  [SessionConfig](#cfn-bedrockagentcore-onlineevaluationconfig-rule-sessionconfig): 
    SessionConfig
```

## Properties
<a name="aws-properties-bedrockagentcore-onlineevaluationconfig-rule-properties"></a>

`Filters`  <a name="cfn-bedrockagentcore-onlineevaluationconfig-rule-filters"></a>
 The list of filters that determine which agent traces should be included in the evaluation based on trace properties.   
*Required*: No  
*Type*: Array of [Filter](aws-properties-bedrockagentcore-onlineevaluationconfig-filter.md)  
*Minimum*: `0`  
*Maximum*: `5`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`SamplingConfig`  <a name="cfn-bedrockagentcore-onlineevaluationconfig-rule-samplingconfig"></a>
 The sampling configuration that determines what percentage of agent traces to evaluate.   
*Required*: Yes  
*Type*: [SamplingConfig](aws-properties-bedrockagentcore-onlineevaluationconfig-samplingconfig.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`SessionConfig`  <a name="cfn-bedrockagentcore-onlineevaluationconfig-rule-sessionconfig"></a>
 The session configuration that defines timeout settings for detecting when agent sessions are complete and ready for evaluation.   
*Required*: No  
*Type*: [SessionConfig](aws-properties-bedrockagentcore-onlineevaluationconfig-sessionconfig.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)