AWS::BedrockAgentCore::Evaluator

BedrockAgentCore Evaluator

Resource Type definition for AWS::BedrockAgentCore::Evaluator - Creates a custom evaluator for agent quality assessment using LLM-as-a-Judge, code-based, or derived evaluator configurations. Derived evaluators run an existing built-in or third-party evaluator's logic on a model that you supply.

Properties

6 configurable properties. 3 required. Click a row to see details.

Filter:
PropertyTypeFlags
EvaluatorConfig
EvaluatorConfig
Required
EvaluatorName
string
RequiredCreate-only
Level
string
Required
Description
string
KmsKeyArn
string
Tags
Array<Tag>

Return Values

Values returned after the resource is created. Access these with Fn::GetAtt.

AttributeTypeDescription
CreatedAtstringThe timestamp when the evaluator was created.
EvaluatorArnstringThe Amazon Resource Name (ARN) of the evaluator.
EvaluatorIdstringThe unique identifier of the evaluator.
EvaluatorTypestringThe kind of evaluator resource. Builtin and ThirdParty are AWS-managed global evaluators that you reference but don't create; Custom, CustomCode, and CustomDerived are evaluators that you create.
ProviderstringWhere the evaluator's logic comes from: AWS, a third-party library (DeepEval or AutoEval), or you. Derived evaluators inherit the provider of their base evaluator.
StatusstringThe current status of the evaluator.
UpdatedAtstringThe timestamp when the evaluator was last updated.

Sample CloudFormation Template

A minimal template with required properties and common optional ones.

template.yaml
AWSTemplateFormatVersion: "2010-09-09"
Description: Sample template for AWS::BedrockAgentCore::Evaluator

Resources:
  MyResource:
    Type: AWS::BedrockAgentCore::Evaluator
    Properties:
      EvaluatorName: "my-evaluatorname"
      EvaluatorConfig: "value"
      Level: "value"
      Tags:
        - Key: Environment
          Value: Production
      Description: !Ref "AWS::StackName"

Required IAM Permissions

Permissions CloudFormation needs in your IAM role to manage this resource.

create

bedrock-agentcore:CreateEvaluatorbedrock-agentcore:GetEvaluatorbedrock-agentcore:TagResourcebedrock:InvokeModelbedrock-mantle:CreateInferencebedrock-mantle:CallWithBearerTokenlambda:GetFunctionlambda:InvokeFunctionkms:DescribeKeykms:GenerateDataKeykms:Decrypt

read

bedrock-agentcore:GetEvaluatorbedrock-agentcore:ListTagsForResourcekms:Decrypt

update

bedrock-agentcore:UpdateEvaluatorbedrock-agentcore:GetEvaluatorbedrock-agentcore:TagResourcebedrock-agentcore:UntagResourcebedrock-agentcore:ListTagsForResourcebedrock:InvokeModelbedrock-mantle:CreateInferencebedrock-mantle:CallWithBearerTokenlambda:GetFunctionlambda:InvokeFunctionkms:DescribeKeykms:GenerateDataKeykms:Decrypt

delete

bedrock-agentcore:DeleteEvaluatorbedrock-agentcore:GetEvaluator

list

bedrock-agentcore:ListEvaluators

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Quick Facts

ServiceBedrockAgentCore
Properties13
Required3
TaggingSupported
Primary IDEvaluatorArn

Supported Operations

CreateReadUpdateDeleteList

Immutable After Creation

These properties cannot be changed after the resource is created. Updating them triggers a replacement.

EvaluatorNameEvaluatorConfig/Derived/BaseEvaluatorId

External Links