Values.WorkflowExecutionCanceledEventAttributesSourceProvides the details of the WorkflowExecutionCanceled event.
type nonrec t = {details : Data.t option;The details of the cancellation.
*)decisionTaskCompletedEventId : EventId.t option;The ID of the DecisionTaskCompleted event corresponding to the decision task that resulted in the CancelWorkflowExecution decision for this cancellation request. This information can be useful for diagnosing problems by tracing back the chain of events leading up to this event.
*)}