_, ok := ms.GetUserTimerInfo(timerID)
if ok {
tag.WorkflowEventID(ms.GetNextEventID()),
tag.ErrorTypeInvalidHistoryAction,
tag.WorkflowTimerID(timerID))
return nil, nil, ms.createCallerError(opTag, "TimerID: "+command.GetTimerId())
}
event := ms.hBuilder.AddTimerStartedEvent(workflowTaskCompletedEventID, command)