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Interaction SDK for Unreal Engine

Updated: Apr 15, 2026

What is Interaction SDK?

The Meta XR Interaction SDK for Unreal Engine makes it easy for VR users to immersively interact with their virtual environment. With Interaction SDK, you can grab and scale objects, push buttons, navigate user interfaces, and more while using controllers or just your physical hands.

Download Interaction SDK

How does Interaction SDK work?

Interaction SDK offers many features to create an immersive XR experience, allowing users to:

Grab and manipulate objects, including scaling and moving objects freely or along fixed axes

Throw a held object

Press buttons or interact with surfaces using rays

Press buttons and scroll user interfaces using poking

See Interaction SDK Samples for Unreal Engine for information on obtaining the sample project that demonstrates the feature set of Interaction SDK.

Interaction SDK Plugin for Unreal Engine consists of:

A closed source DLL (InteractionSDK Native) that powers ray, poke, grab, and pose-detection interactions

Unreal ActorComponents and SceneComponents that wrap the native DLL

Prebuilts that collect components into ready-to-use interactions

How do I set up Interaction SDK?

The Interaction SDK for Unreal Engine is available from the Meta Quest Developer Hub: Meta XR Interaction SDK Unreal

To install the downloaded plugin:

Take note of the directory that you have installed Unreal Engine to, e.g. C:\Epic Games\UE_5.4. This will be referred to as [UnrealDir] below.

In the [UnrealDir]\Engine\Plugins directory, create a new directory called Marketplace.

Open the zip file you downloaded and copy the MetaXRInteraction folder into the newly created Marketplace directory ([UnrealDir]\Engine\Plugins\Marketplace).

Run Unreal Editor.

In the Level Editor toolbar, click Edit > Plugins. Search for Meta (searching for ‘Meta XR’ may not show all results).

Enable both the Meta XR plugin (if present) and the Meta XR Interaction SDK plugin.

Restart Unreal Editor for the changes to take effect.

To get started using Interaction SDK in Unreal Engine with your project, please see Getting Started with Interaction SDK.

To try Interaction SDK interactions without any setup, you can download the following:

Interaction SDK Samples⁠, the official reference for Interaction SDK features.

Supported devices

Meta Quest 2

Meta Quest 3

Meta Quest 3S

Meta Quest Pro

Supported Unreal Engine versions

Unreal Engine 5.4 and later

OpenXR compatibility

Interaction SDK can integrate with the Meta XR plugin, or, in a restricted mode, with Unreal Engine’s built-in Open XR HandTracking plugin. This means it will read hand and controller data from whichever of the two plugins are present in the project.

When deploying projects using Interaction SDK to Meta devices, it is recommended that the project includes either the Meta XR plugin, or is built on the Oculus-VR fork of Unreal Engine⁠.

When deploying to non-Meta devices, Interaction SDK can read hand-tracking data from Unreal’s OpenXR HandTracking plugin as a fallback.

In addition to the MetaXR feature comparison, there are some additional Interaction SDK functionality gaps when using the OpenXR path, as highlighted in the following table:

Feature	MetaXR	OpenXR
Procedural Controller Hand Animation	✓	-
Hand Tracking Confidence	✓	-
Input mapping for index pinch	✓	-

Note:

Hand Tracking Confidence - The MetaXR hand data source provides granular tracking confidence levels. The OpenXR path provides only binary hand validity rather than granular confidence.

Input Mapping for Index Pinch - OpenXR does not currently support a direct input binding for the index pinch gesture. However, developers can utilize the PinchGrabStarted and PinchGrabFinished event delegates found in the IsdkHandFingerPinchGrabRecognizer. These events can be used to implement custom actions triggered by the index pinch gesture.

Dependencies

Interaction SDK plugin has an optional dependency on the following plugins:

Meta XR plugin

Next Steps

To get started using Interaction SDK in Unreal Engine with your project, see Getting Started with Interaction SDK.

Design guidelines

Design guidelines are Meta’s human interface standards and design frameworks that help you create safe, user-oriented, and retainable immersive and passthrough user experiences.