| OrderEventReasonCodeSet | int | Action that caused the event to occur.
| 1 | = | Add order request | Added EP131
| | [AddOrderRequest] | | 2 | = | Modify order request | Added EP131
| | [ModifyOrderRequest] | | 3 | = | Delete order request | Added EP131
| | [DeleteOrderRequest] | | 4 | = | Order entered out-of-band | Added EP131
| | [OrderEnteredOOB] | | 5 | = | Order modified out-of-band | Added EP131
| | [OrderModifiedOOB] | | 6 | = | Order deleted out-of-band | Added EP131
| | [OrderDeletedOOB] | | 7 | = | Order activated or triggered | Added EP131
| | [OrderActivatedOrTriggered] | | 8 | = | Order expired | Added EP131
| | [OrderExpired] | | 9 | = | Reserve order refreshed | Added EP131
| | [ReserveOrderRefreshed] | | 10 | = | Away market better | Added EP131
| | [AwayMarketBetter] | | 11 | = | Corporate action | Added EP131
| | [CorporateAction] | | 12 | = | Start of day | Added EP131
| | [StartOfDay] | | 13 | = | End of day | Added EP131
| | [EndOfDay] |
| Added EP131
|