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

ListExperimentRunEvents

Lists the events for a specified experiment run. Events provide a timeline of actions and state changes that occurred during the run.

Request Syntax


GET /applications/ApplicationIdentifier/experimentdefinitions/ExperimentDefinitionIdentifier/experimentruns/Run/events?max_results=MaxResults&next_token=NextToken HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

ApplicationIdentifier

The application ID or name.

Length Constraints: Minimum length of 1. Maximum length of 2048.

Required: Yes

ExperimentDefinitionIdentifier

The experiment definition ID or name.

Length Constraints: Minimum length of 1. Maximum length of 2048.

Required: Yes

MaxResults

The maximum number of items to return.

Valid Range: Minimum value of 1. Maximum value of 50.

NextToken

A token to start the list from a previously truncated response.

Length Constraints: Minimum length of 1. Maximum length of 2048.

Run

The run number.

Valid Range: Minimum value of 1.

Required: Yes

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "Items": [ 
      { 
         "AssociatedDeployment": "string",
         "Description": "string",
         "EventType": "string",
         "ExposurePercentage": number,
         "OccurredAt": "string",
         "TreatmentOverrides": { ... },
         "TriggeredBy": "string"
      }
   ],
   "NextToken": "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.

Items

The list of experiment run events.

Type: Array of ExperimentRunEvent objects

NextToken

A token to use for the next set of results.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Errors

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

BadRequestException

The input fails to satisfy the constraints specified by an AWS service.

Details: Detailed information about the input that failed to satisfy the constraints specified by a call.

HTTP Status Code: 400

InternalServerException

There was an internal failure in the AWS AppConfig service.

HTTP Status Code: 500

ResourceNotFoundException

The requested resource could not be found.

HTTP Status Code: 404

Examples

Example

This example illustrates one usage of ListExperimentRunEvents.

Sample Request


GET /applications/abc1234/experimentdefinitions/bsxyd7k/experimentruns/1/events HTTP/1.1
Host: appconfig.us-east-1.amazonaws.com
User-Agent: aws-cli
X-Amz-Date: 20210916T175455Z
Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20210916/us-east-1/appconfig/aws4_request, SignedHeaders=host;x-amz-date, Signature=39c3b3042cd2aEXAMPLE

Sample Response


{
	"Items": [
		{
			"Description": "Experiment run stopped",
			"EventType": "RUN_STOPPED",
			"ExposurePercentage": 50.0,
			"OccurredAt": "2026-06-16T17:57:36.083Z",
			"TriggeredBy": "USER"
		},
		{
			"Description": "Experiment run started",
			"EventType": "RUN_STARTED",
			"ExposurePercentage": 50.0,
			"OccurredAt": "2026-06-16T17:57:10.567Z",
			"TriggeredBy": "USER"
		}
	]
}