# Rigs ## Components

Class	Description
`CustomHandTracker`	Helper class to swap between `TrackedPoseDriver` and `TrackedPoseDriver (Input System)` based on target device.
`XRRigPlatformProvider`	Provides platform-specific XR rig and input action assets at runtime based on the active build target's scripting define.

## Prefabs * **Cross-platform XR Rig** — A generic XR Rig that can be used across devices. Any device-specific components are automatically enabled by `XRRigPlatformProvider`. Implements the **XR Origin (XR Rig)** prefab from Unity XR Interaction Toolkit v3.0.8 Starter Assets sample. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.meshmap.com/unity-sdk/xr/rigs.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.