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 not valid.
HTTP Status Code: 400
- InvalidToken
-
The provided token is not valid.
HTTP Status Code: 400
- TaskDoesNotExist
-
The activity does not exist.
HTTP Status Code: 400
- TaskTimedOut
-
The task token has either expired or the task associated with the token has already been closed.
HTTP Status Code: 400
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: