[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Input|XRTracking") static [TArray](API\Runtime\Core\Containers\TArray)< [FXRDeviceId](API\Runtime\HeadMountedDisplay\FXRDeviceId) > EnumerateTrackedDevices ( const [FName](API\Runtime\Core\UObject\FName) SystemId, EXRTrackedDeviceType DeviceType )