The access config can adjust if a model can be accessed at different level

AccessReferenceable by
privateSame group
protectedSame project/package
publicAny group, package, or project. When defined, rerun a production job to apply the change.
The group config is a customized tag to categorize the model.

e.g. A model in “Finance” group with private access can only be accessed by other model in “Finance” group but not by those in other groups such as “HR”.