Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

GetExperiment

Important

End of support notice: On October 16, 2025, AWS will discontinue support for CloudWatch Evidently. After October 16, 2025, you will no longer be able to access the Evidently console or CloudWatch Evidently resources.

Returns the details about one experiment. You must already know the experiment name. To retrieve a list of experiments in your account, use ListExperiments.

Request Syntax


GET /projects/project/experiments/experiment HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

experiment

The name of the experiment that you want to see the details of.

Length Constraints: Minimum length of 1. Maximum length of 127.

Pattern: ^[-a-zA-Z0-9._]*$

Required: Yes

project

The name or ARN of the project that contains the experiment.

Length Constraints: Minimum length of 0. Maximum length of 2048.

Pattern: (^[a-zA-Z0-9._-]*$)|(arn:[^:]*:[^:]*:[^:]*:[^:]*:project/[a-zA-Z0-9._-]*)

Required: Yes

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "experiment": { 
      "arn": "string",
      "createdTime": number,
      "description": "string",
      "execution": { 
         "endedTime": number,
         "startedTime": number
      },
      "lastUpdatedTime": number,
      "metricGoals": [ 
         { 
            "desiredChange": "string",
            "metricDefinition": { 
               "entityIdKey": "string",
               "eventPattern": "string",
               "name": "string",
               "unitLabel": "string",
               "valueKey": "string"
            }
         }
      ],
      "name": "string",
      "onlineAbDefinition": { 
         "controlTreatmentName": "string",
         "treatmentWeights": { 
            "string" : number 
         }
      },
      "project": "string",
      "randomizationSalt": "string",
      "samplingRate": number,
      "schedule": { 
         "analysisCompleteTime": number
      },
      "segment": "string",
      "status": "string",
      "statusReason": "string",
      "tags": { 
         "string" : "string" 
      },
      "treatments": [ 
         { 
            "description": "string",
            "featureVariations": { 
               "string" : "string" 
            },
            "name": "string"
         }
      ],
      "type": "string"
   }
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

experiment

A structure containing the configuration details of the experiment.

Type: Experiment object

Errors

For information about the errors that are common to all actions, see Common Errors.

AccessDeniedException

You do not have sufficient permissions to perform this action.

HTTP Status Code: 403

ResourceNotFoundException

The request references a resource that does not exist.

HTTP Status Code: 404

ThrottlingException

The request was denied because of request throttling. Retry the request.

HTTP Status Code: 429

ValidationException

The value of a parameter in the request caused an error.

HTTP Status Code: 400