SendTaskSuccess - AWS Step Functions
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SendTaskSuccess

Used by activity workers and task states using the callback pattern to report that the task identified by the taskToken completed successfully.

Request Syntax

{ "output": "string", "taskToken": "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.

output

The JSON output of the task. Length constraints apply to the payload size, and are expressed as bytes in UTF-8 encoding.

Type: String

Length Constraints: Maximum length of 262144.

Required: Yes

taskToken

The token that represents this task. Task tokens are generated by Step Functions when tasks are assigned to a worker, or in the context object when a workflow enters a task state. See GetActivityTask:taskToken.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1024.

Required: Yes

Response Elements

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

Errors

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

InvalidOutput

The provided JSON output data is invalid.

HTTP Status Code: 400

InvalidToken

The provided token is invalid.

HTTP Status Code: 400

TaskDoesNotExist

HTTP Status Code: 400

TaskTimedOut

HTTP Status Code: 400

See Also

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