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

StartEngagement

Important

AWS Systems Manager Incident Manager will no longer be open to new customers starting November 7, 2025. If you would like to use Incident Manager, sign up prior to that date. Existing customers can continue to use the service as normal. For more information, see Incident Manager availability change.

Starts an engagement to a contact or escalation plan. The engagement engages each contact specified in the incident.

Request Syntax


{
   "ContactId": "string",
   "Content": "string",
   "IdempotencyToken": "string",
   "IncidentId": "string",
   "PublicContent": "string",
   "PublicSubject": "string",
   "Sender": "string",
   "Subject": "string"
}

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

ContactId

The Amazon Resource Name (ARN) of the contact being engaged.

Type: String

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

Pattern: arn:(aws|aws-cn|aws-us-gov):ssm-contacts:[-\w+=\/,.@]*:[0-9]+:([\w+=\/,.@:-])*

Required: Yes

Content

The secure content of the message that was sent to the contact. Use this field for engagements to VOICE or EMAIL.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 8192.

Pattern: ^[.\s\S]*$

Required: Yes

IdempotencyToken

A token ensuring that the operation is called only once with the specified details.

Type: String

Length Constraints: Maximum length of 2048.

Pattern: ^[\\\/a-zA-Z0-9_+=\-]*$

Required: No

IncidentId

The ARN of the incident that the engagement is part of.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: ^[\\a-zA-Z0-9_@#%*+=:?.\/!\s-]*$

Required: No

PublicContent

The insecure content of the message that was sent to the contact. Use this field for engagements to SMS.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 8192.

Pattern: ^[.\s\S]*$

Required: No

PublicSubject

The insecure subject of the message that was sent to the contact. Use this field for engagements to SMS.

Type: String

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

Pattern: ^[.\s\S]*$

Required: No

Sender

The user that started the engagement.

Type: String

Length Constraints: Maximum length of 255.

Pattern: ^[\\a-zA-Z0-9_@#%*+=:?.\/!\s-]*$

Required: Yes

Subject

The secure subject of the message that was sent to the contact. Use this field for engagements to VOICE or EMAIL.

Type: String

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

Pattern: ^[.\s\S]*$

Required: Yes

Response Syntax


{
   "EngagementArn": "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.

EngagementArn

The ARN of the engagement.

Type: String

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

Pattern: arn:(aws|aws-cn|aws-us-gov):ssm-contacts:[-\w+=\/,.@]*:[0-9]+:([\w+=\/,.@:-])*

Errors

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

AccessDeniedException

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

HTTP Status Code: 400

DataEncryptionException

The operation failed to due an encryption key error.

HTTP Status Code: 400

InternalServerException

Unexpected error occurred while processing the request.

HTTP Status Code: 500

ResourceNotFoundException

Request references a resource that doesn't exist.

HTTP Status Code: 400

ThrottlingException

The request was denied due to request throttling.

HTTP Status Code: 400

ValidationException

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

HTTP Status Code: 400

Examples

Example

This example illustrates one usage of StartEngagement.

Sample Request


POST / HTTP/1.1
Host: ssm-contacts.us-east-2.amazonaws.com
Accept-Encoding: identity
X-Amz-Target: SSMContacts.StartEngagement
Content-Type: application/x-amz-json-1.1
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-contacts.start-engagement
X-Amz-Date: 20220816T184849Z
Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20220816/us-east-2/ssm-contacts/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-amz-target, Signature=39c3b3042cd2aEXAMPLE
Content-Length: 307

{
	"ContactId": "arn:aws:ssm-contacts:us-east-2:111122223333:contact/test_escalation_plan", 
	"Sender": "cli", 
	"Subject": "cli-test", 
	"Content": "Testing engagements via CLI", 
	"PublicSubject": "cli-test", 
	"PublicContent": "Testing engagements via CLI", 
	"IdempotencyToken": "23a2a9b9-f63b-49b1-80c6-b21dfEXAMPLE"
}

Sample Response


{
    "EngagementArn": "arn:aws:ssm-contacts:us-east-2:111122223333:engagement/test_escalation_plan/27bd86cf-6d50-49d2-a9ab-da39bEXAMPLE"
}