バージョン：25.2

globallyUniqueString

function
Returns a unique string each time it is called. The value is unique across systems, application instances, and individual calls to the function.
Example on Mac (different on other platforms):

 put globallyUniqueString()
ED1B2F6B-2842-42C6-B25F-E51BC0346512-6564-0000B6CCF0554B9D