PutProjectEvents - CloudWatch Evidently


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.


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.


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.


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


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

Type: Integer


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


You do not have sufficient permissions to perform this action.

HTTP Status Code: 403


The request references a resource that does not exist.

HTTP Status Code: 404


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

HTTP Status Code: 429


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

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: