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> Unreal Engine API Reference > Runtime > HeadMountedDisplay > UHeadMountedDisplayFunctionLibrary > UHeadMountedDisplayFunctionLibrary::EnumerateTrackedDevices

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UHeadMountedDisplayFunctionLibrary::EnumerateTrackedDevices

Cross XR-System query that will list all XR devices currently being tracked.

Windows

MacOS

Linux

References

Module	HeadMountedDisplay
Header	/Engine/Source/Runtime/HeadMountedDisplay/Public/HeadMountedDisplayFunctionLibrary.h
Include	#include "HeadMountedDisplayFunctionLibrary.h"
Source	/Engine/Source/Runtime/HeadMountedDisplay/Private/HeadMountedDisplayFunctionLibrary.cpp

Syntax

static TArray< FXRDeviceId > EnumerateTrackedDevices
(
const FName SystemId,
EXRTrackedDeviceType DeviceType
)

Remarks

Cross XR-System query that will list all XR devices currently being tracked.

Returns

A list of device identifiers matching the query. Use these to query and operate on the device (e.g. through GetDevicePose, AddDeviceVisualizationComponent, etc.)

Parameters

Parameter	Description
SystemId	(Optional) Specifies an explicit system to poll devices from (use if you want only devices belonging to one explicit XR ecosystem, e.g. 'OculusHMD', or 'SteamVR')
DeviceType	Specifies the type of device to query for - defaults to 'Any' (meaning 'All').

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