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

 A filter that applies conditions to agent traces during online evaluation to determine which traces should be evaluated. 

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

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

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

```
{
  "[Key](#cfn-bedrockagentcore-onlineevaluationconfig-filter-key)" : String,
  "[Operator](#cfn-bedrockagentcore-onlineevaluationconfig-filter-operator)" : String,
  "[Value](#cfn-bedrockagentcore-onlineevaluationconfig-filter-value)" : FilterValue
}
```

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

```
  [Key](#cfn-bedrockagentcore-onlineevaluationconfig-filter-key): String
  [Operator](#cfn-bedrockagentcore-onlineevaluationconfig-filter-operator): String
  [Value](#cfn-bedrockagentcore-onlineevaluationconfig-filter-value): 
    FilterValue
```

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

`Key`  <a name="cfn-bedrockagentcore-onlineevaluationconfig-filter-key"></a>
 The key or field name to filter on within the agent trace data.   
*Required*: Yes  
*Type*: String  
*Pattern*: `^[a-zA-Z0-9._-]+$`  
*Minimum*: `1`  
*Maximum*: `256`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Operator`  <a name="cfn-bedrockagentcore-onlineevaluationconfig-filter-operator"></a>
 The comparison operator to use for filtering. Valid values include `Equals`, `NotEquals`, `GreaterThan`, `LessThan`, `GreaterThanOrEqual`, `LessThanOrEqual`, `Contains`, and `NotContains`.   
*Required*: Yes  
*Type*: String  
*Allowed values*: `Equals | NotEquals | GreaterThan | LessThan | GreaterThanOrEqual | LessThanOrEqual | Contains | NotContains`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Value`  <a name="cfn-bedrockagentcore-onlineevaluationconfig-filter-value"></a>
 The value to compare against using the specified operator.   
*Required*: Yes  
*Type*: [FilterValue](aws-properties-bedrockagentcore-onlineevaluationconfig-filtervalue.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)