Returns text representing a unique identifier of the computer or device running FileMaker.
Data type returned
FileMaker Pro 12.0
Returns a unique, unchanging identifier for the computer on which FileMaker Pro is running, the device on which FileMaker Go is running, or the current FileMaker WebDirect session in the form of a 32-digit hexadecimal string. Get(PersistentID) helps you identify devices that access your solution.
•If web browser cookies are cleared during a FileMaker WebDirect session, the value returned by Get(PersistentID) changes.
•If a FileMaker Go user restores an iOS backup to a different device, the value returned by Get(PersistentID) changes. If a backup is restored to the same iOS device, the returned value remains the same. For more information, see the FileMaker Knowledge Base.
For a FileMaker Pro client or a FileMaker Go client, Get (PersistentID) returns a value such as 78569d0bd40b898a64e7d08ccdea8220.