[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Timed Data Monitor|Channel") [FTimedDataChannelSampleTime](API\Runtime\TimeManagement\FTimedDataChannelSampleTime) GetChannelOldestDataTime ( const [FTimedDataMonitorChannelIdentifier](API\Plugins\TimedDataMonitor\FTimedDataMonitorChannelIdentifi-) & Identifier )