Used by workers to retrieve a task (with the specified activity ARN) which has been scheduled for execution by a running state machine.
Returns the history of the specified execution as a list of events.
Lists the executions of a state machine that meet the filtering criteria.
Used by workers to report that the task identified by the taskToken failed.
Used by workers to report to the service that the task represented by the specified taskToken is still making progress.
Used by workers to report that the task identified by the taskToken completed successfully.