Hello @shark-crawl ,
Below is the initial response from the Microsoft Product Team, I hope this helps with the initial query.
Those methods do need to be implemented to send and receive data over the network between the device that created the anchor and the device that needs to load the anchor:
Here’s some documentation from Unity:
Custom Messages | Unity Multiplayer Networking (unity3d.com)Here’s an example of how this would have been done when the documentation was originally written:
MixedRealityCompanionKit/AnchorNetworkTransmitter.cs at fe8485267d200ddfb3bf6ba4cc8404e30dc799d1 · microsoft/MixedRealityCompanionKit (github)
Please comment in the below section if you need further help in this matter, happy to help!