Used by workers to tell the service that the ActivityTask identified by
the taskToken completed successfully with a result (if provided).
The result appears in the ActivityTaskCompleted event in the
workflow history.
If the requested task doesn't complete successfully, use
respond_activity_task_failed
instead. If the worker finds that the task is canceled through the
canceled flag returned by
record_activity_task_heartbeat,
it should cancel the task, clean up and then call
respond_activity_task_canceled.
A task is considered open from the time that it is scheduled until it is
closed. Therefore a task is reported as open while a worker is
processing it. A task is closed after it has been specified in a call to
RespondActivityTaskCompleted,
respond_activity_task_canceled,
respond_activity_task_failed, or
the task has timed out.
Access Control
You can use IAM policies to control this action's access to Amazon SWF resources as follows:
Use a Resource element with the domain name to limit the action to
only specified domains.
Use an Action element to allow or deny permission to call this
action.
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action,
or the parameter values fall outside the specified constraints, the
action fails. The associated event attribute's cause parameter is set
to OPERATION_NOT_PERMITTED. For details and example IAM policies, see
Using IAM to Manage Access to Amazon SWF Workflows
in the Amazon SWF Developer Guide.
swf_respond_activity_task_completed(taskToken, result)[required] The taskToken of the ActivityTask.
taskToken is generated by the service and should be treated as an
opaque value. If the task is passed to another process, its taskToken
must also be passed. This enables it to provide its progress and respond
with results.
The result of the activity task. It is a free form string that is implementation specific.
An empty list.
svc$respond_activity_task_completed( taskToken = "string", result = "string" )