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How to write a service that gives 300 user name in ThingWorx
Best would be if your initial query did a limit return of 300.
For example if the users are in a user group you could use QueryGroupMembers and set maxitems to 300
It would only give you the top 300 alphabetically.
Or you could get all users (hopefully not too large a group) and use InfoTableFunctions TopN
I guess the question to start, where are the user names located, or are you trying to generate users?