How to use Vive OpenXR to develop spatial marker positioning and realize multi-person collaboration?

[小苗兜兜]

I want to use HTC VIVE XR device to develop multiplayer collaboration function based on Vive OpenXR SDK. I saw some information that first multiple devices need to determine the same marker point. I saw some information about spatial markers but they are all based on Vive WAV SDK. I want to know how to achieve the same function in Vive OpenXR SDK? At the same time, is there any relevant information on how to develop multiplayer collaboration?

Thank you very much

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