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Acme University (which is the source organization) creates a user group called “Students”. It adds the students to this group.
Acme University sends a share request to The Egyptology Center (the destination organization).
The Administrator of The Egyptology Center receives the share request by email, and accepts the request.
The Egyptology Center gets a new group in its group tree, called “Students @ Acme University”. This group is automatically synchronized with the source group in Acme University so that it always contains exactly the same users as the source group in Acme University.
The Admins of The Egyptology Center add permissions to the group “Students @ Acme University”, allowing them to visit its Egypt-themed worlds.
Users belonging to this group can now visit these worlds.
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SuperDesign (which is the source organization) creates a user group called “Stark Industries Team”. It adds to this group the users that need to be able to work on worlds in Stark Industries.
SuperDesign sends a share request to Stark Industries (the destination organization).
The Administrator of Stark Industries receives the share request by email, and accepts the request.
Stark Industries gets a new group in its group tree, called “Stark Industries Team @ SuperDesign”. This group is automatically synchronized with the source group in Acme University so that it always contains exactly the same users as the source group in SuperDesign.
The Admins of Stark Industries add permissions to the group “Stark Industries Team @ SuperDesign”, allowing them to visit and modify the worlds that they’re supposed to be building.
Once the work is complete, Stark Industries deletes the group “Stark Industries Team @ SuperDesign”. Then, the users in that group can no longer visit Stark Industries’ worlds.
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For example, suppose an Authorized External User visits one of the organization’s worlds. When you view the user's information, her type will say: “Authorized external user”. But if later the user’s group is unshared and then you view her information again, the type will change to say: “External user”. That’s because the user isn’t affiliated with the organization anymore.
Another thing worth noting is that some information, such as a user’s email address, will only be displayed to Admins in the source organization and will therefor be hidden to people in the destination organization.