timerFiredEvent := ms.hBuilder.GetAndRemoveTimerFireEvent(timerID)
if timerFiredEvent == nil {
tag.WorkflowEventID(ms.GetNextEventID()),
tag.ErrorTypeInvalidHistoryAction,
tag.WorkflowTimerID(timerID))
return nil, ms.createCallerError(opTag, "TimerID: "+command.GetTimerId())
}
timerStartedEventID = timerFiredEvent.GetTimerFiredEventAttributes().GetStartedEventId()
} else {