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How can I set up a unique random number in Survey123? 

Question asked by kmorefield on Feb 27, 2019
Latest reply on Feb 27, 2019 by Philip.Wilson-esristaff

I want people to submit a survey, which has a unique, random number that is hidden to the end user.  This number will be used as part of a "lottery" drawing, once all surveys have been submitted.  The unique, random number will be sorted low to high, and the lowest 10 numbers will be winners.  I envision my staff running a manual sort of the number in a web map, and then manually keying in a Selected = YES to the lowest 10 numbers.  Any ideas how to do this?  I know Global ID's are unique, but not necessarily random.  I'm trying to make is as simple as possible for non-technical staff to run.  I'd like to avoid ArcMap and ArcPro if possible - and do everything in ArcGIS Online, Survey123, web maps, etc.