Hi jialiangyao,
You may create a custom property lets say "AccessUsers" with resources USER and one value to it lets say "AU". Assigned this AU custom property to your required users by opening each user one by one and write a security rule with stream template as ((user.@AccessUsers="AU")). you donot need to update the security rule again. use custom proprty value instead.
For deep dive how to write rules for access please refer:
https://community.qlik.com/t5/Qlik-Sense-Enterprise-Documents/Sheet-or-App-Object-Level-Security-Qli...When applicable please mark the appropriate replies as LIKE. This will help community members and Qlik Employees know which discussions have already been addressed and have a possible known solution. Please mark threads as LIKE if the provided solution is helpful to the problem, but does not necessarily solve the indicated problem. You can mark multiple threads as LIKE if you feel additional info is useful to others.
Best,
Rohit
