$PersistencePath
gives the default list of persistence locations at which to look for values assigned to PersistentValue object.
Details

- The value of $PersistencePath is a list of persistence locations.
- A persistence location is given as PersistenceLocation["type"] or "type".
- The initial setting of $PersistencePath is typically {"KernelSession","FrontEndSession","Local","Cloud","LocalShared","Installation"}.
- PersistentValue["name"] is equivalent to PersistentValue["name",$PersistencePath].
Introduced in 2017
(11.1)