Get(PersistentID)
Purpose 
Returns text representing a unique identifier of the computer or device on which FileMaker is running.
Format 
Get(PersistentID)
Parameters 
None
Data type returned 
text
Originated in 
FileMaker Pro 12.0
Description 
Returns a unique, unchanging identifier for the computer on which FileMaker Pro is running or the device on which FileMaker Go is running, in the form of a 32-digit hexadecimal string. Get(PersistentID) helps you identify devices that access your solution.
Note  For information on how functions evaluate differently on the host versus the client, search the FileMaker Knowledge Base available at http://help.filemaker.com.
Examples 
For a FileMaker Pro client or a FileMaker Go client, Get (PersistentID) returns a value such as 78569d0bd40b898a64e7d08ccdea8220.
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas
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