Check out the associated course "Multi-User Experiences with Azure Spatial Anchors" on the Epic Dev Community.

In this course, we will access the Azure Portal to create a Spatial Anchor resource and collect our account information for access. We'll then add on to our Local Persistent Anchors system to also support Azure Spatial Anchors. After accessing the Spatial Anchor resource, we will be able to save, delete, and load them into our world