Home / API Reference / StockSharp.Fix.Native SecurityRequestResult StockSharp.Fix.Native Fields InstrumentDataTemporarilyUnavailable : SecurityRequestResult InvalidOrUnsupportedRequest : SecurityRequestResult NoInstrumentsFoundThatMatchSelectionCriteria : SecurityRequestResult NotAuthorizedToRetrieveInstrumentData : SecurityRequestResult RequestForInstrumentDataNotSupported : SecurityRequestResult ValidRequest : SecurityRequestResult