:doc:`BedrockAgentCoreControl <../../bedrock-agentcore-control>` / Client / list_evaluators

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list_evaluators
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.. py:method:: BedrockAgentCoreControl.Client.list_evaluators(**kwargs)

  

  Lists all available evaluators, including both builtin evaluators provided by the service and custom evaluators created by the user.

  

  See also: `AWS API Documentation <https://docs.aws.amazon.com/goto/WebAPI/bedrock-agentcore-control-2023-06-05/ListEvaluators>`_  


  **Request Syntax**
  ::

    response = client.list_evaluators(
        nextToken='string',
        maxResults=123
    )
    
  :type nextToken: string
  :param nextToken: 

    The pagination token from a previous request to retrieve the next page of results.

    

  
  :type maxResults: integer
  :param maxResults: 

    The maximum number of evaluators to return in a single response.

    

  
  
  :rtype: dict
  :returns: 
    
    **Response Syntax**

    
    ::

      {
          'evaluators': [
              {
                  'evaluatorArn': 'string',
                  'evaluatorId': 'string',
                  'evaluatorName': 'string',
                  'description': 'string',
                  'evaluatorType': 'Builtin'|'Custom',
                  'level': 'TOOL_CALL'|'TRACE'|'SESSION',
                  'status': 'ACTIVE'|'CREATING'|'CREATE_FAILED'|'UPDATING'|'UPDATE_FAILED'|'DELETING',
                  'createdAt': datetime(2015, 1, 1),
                  'updatedAt': datetime(2015, 1, 1),
                  'lockedForModification': True|False
              },
          ],
          'nextToken': 'string'
      }
      
    **Response Structure**

    

    - *(dict) --* 
      

      - **evaluators** *(list) --* 

        The list of evaluator summaries containing basic information about each evaluator.

        
        

        - *(dict) --* 

          The summary information about an evaluator, including basic metadata and status information.

          
          

          - **evaluatorArn** *(string) --* 

            The Amazon Resource Name (ARN) of the evaluator.

            
          

          - **evaluatorId** *(string) --* 

            The unique identifier of the evaluator.

            
          

          - **evaluatorName** *(string) --* 

            The name of the evaluator.

            
          

          - **description** *(string) --* 

            The description of the evaluator.

            
          

          - **evaluatorType** *(string) --* 

            The type of evaluator, indicating whether it is a built-in evaluator provided by the service or a custom evaluator created by the user.

            
          

          - **level** *(string) --* 

            The evaluation level ( ``TOOL_CALL``, ``TRACE``, or ``SESSION``) that determines the scope of evaluation.

            
          

          - **status** *(string) --* 

            The current status of the evaluator.

            
          

          - **createdAt** *(datetime) --* 

            The timestamp when the evaluator was created.

            
          

          - **updatedAt** *(datetime) --* 

            The timestamp when the evaluator was last updated.

            
          

          - **lockedForModification** *(boolean) --* 

            Whether the evaluator is locked for modification due to being referenced by active online evaluation configurations.

            
      
    
      

      - **nextToken** *(string) --* 

        The pagination token to use in a subsequent request to retrieve the next page of results.

        
  
  **Exceptions**
  
  *   :py:class:`BedrockAgentCoreControl.Client.exceptions.ValidationException`

  
  *   :py:class:`BedrockAgentCoreControl.Client.exceptions.AccessDeniedException`

  
  *   :py:class:`BedrockAgentCoreControl.Client.exceptions.ThrottlingException`

  
  *   :py:class:`BedrockAgentCoreControl.Client.exceptions.InternalServerException`

  