[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="DMX|Fixture Patch") bool GetMatrixCellChannelsAbsoluteWithValidation ( const FIntPoint & InCellCoordinate, [TMap](API\Runtime\Core\Containers\TMap)< [FDMXAttributeName](API\Plugins\DMXProtocol\FDMXAttributeName), int32 > & OutAttributeChannelMap )