GetTimelineEvent - AWS Systems Manager Incident Manager


Retrieves a timeline event based on its ID and incident record.

Request Syntax

GET /getTimelineEvent?eventId=eventId&incidentRecordArn=incidentRecordArn HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.


The ID of the event. You can get an event's ID when you create it, or by using ListTimelineEvents.

Length Constraints: Minimum length of 0. Maximum length of 50.

Required: Yes


The Amazon Resource Name (ARN) of the incident that includes the timeline event.

Length Constraints: Minimum length of 0. Maximum length of 1000.

Pattern: ^arn:aws(-cn|-us-gov)?:[a-z0-9-]*:[a-z0-9-]*:([0-9]{12})?:.+$

Required: Yes

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "event": { "eventData": "string", "eventId": "string", "eventReferences": [ { ... } ], "eventTime": number, "eventType": "string", "eventUpdatedTime": number, "incidentRecordArn": "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.


Details about the timeline event.

Type: TimelineEvent object


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


You don't have sufficient access to perform this operation.

HTTP Status Code: 403


The request processing has failed because of an unknown error, exception or failure.

HTTP Status Code: 500


Request references a resource which doesn't exist.

HTTP Status Code: 404


The request was denied due to request throttling.

HTTP Status Code: 429


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

HTTP Status Code: 400



This example illustrates one usage of GetTimelineEvent.

Sample Request

GET /getTimelineEvent?eventId=ecbd9919-bba6-d317-6cfc-7232df620b6d&incidentRecordArn=arn%3Aaws%3Assm-incidents%3A%111122223333%3Aincident-record%2Fexample-response%2F78bd9919-b9ac-962d-91e0-149960600e3f HTTP/1.1 Host: Accept-Encoding: identity User-Agent: aws-cli/2.2.4 Python/3.8.8 Linux/5.4.129-72.229.amzn2int.x86_64 exe/x86_64.amzn.2 prompt/off command/ssm-incidents.get-timeline-event X-Amz-Date: 20210811T165600Z Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20210811/us-east-1/ssm-incidents/aws4_request, SignedHeaders=host;x-amz-date, Signature=39c3b3042cd2aEXAMPLE

Sample Response

{ "event": { "eventData": "{\"modifiedBy\":\"arn:aws:sts::111122223333:assumed-role/Admin/exampleUser\",\"modifiedAttributes\":[{\"attributeName\":\"relatedItems\",\"newValue\":\"{\\\"itemToAdd\\\":{\\\"identifier\\\":{\\\"type\\\":\\\"PARENT\\\",\\\"value\\\":{\\\"arn\\\":\\\"arn:aws:ssm:us-east-1:111122223333:opsItem/oi-4008965bf3a7\\\"}},\\\"title\\\":\\\"parentItem\\\"}}\"}],\"incidentTitle\":\"example-incident\"}", "eventId": "ecbd9919-bba6-d317-6cfc-7232df620b6d", "eventTime": "2021-08-10T22:33:58.724000+00:00", "eventReferences": [ {"relatedItemId": "related-item/OTHER/0515FAE92F4A572650D73DC0224D00EF"}, {"resource": "arn:aws:ssm-incidents::111122223333:incident-record/example-response/78bd9919-b9ac-962d-91e0-149960600e3f"} ], "eventType": "SSM Incident Record Update", "eventUpdatedTime": "2021-08-10T22:33:58.724000+00:00", "incidentRecordArn": "arn:aws:ssm-incidents::111122223333:incident-record/example-response/78bd9919-b9ac-962d-91e0-149960600e3f" } }

See Also

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