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

PutProjectEvents

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.

Sends performance events to Evidently. These events can be used to evaluate a launch or an experiment.

Request Syntax


POST /events/projects/project HTTP/1.1
Content-type: application/json

{
   "events": [ 
      { 
         "data": "string",
         "timestamp": number,
         "type": "string"
      }
   ]
}

URI Request Parameters

The request uses the following URI parameters.

project

The name or ARN of the project to write the events to.

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 accepts the following data in JSON format.

events

An array of event structures that contain the performance data that is being sent to Evidently.

Type: Array of Event objects

Array Members: Minimum number of 0 items. Maximum number of 50 items.

Required: Yes

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "eventResults": [ 
      { 
         "errorCode": "string",
         "errorMessage": "string",
         "eventId": "string"
      }
   ],
   "failedEventCount": number
}

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.

eventResults

A structure that contains Evidently's response to the sent events, including an event ID and error codes, if any.

Type: Array of PutProjectEventsResultEntry objects

failedEventCount

The number of events in the operation that could not be used by Evidently.

Type: Integer

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