Every user can, by default, create their alerts. The privilege mentioned by Layan is part of the System user role. All users do have this base role assigned when the user is created. In case you want to revoke access, this can be indeed managed with a security configuration or customization.
I think it's just sysAdmin. And yes you should be able to allow other users to do that. Maybe try adding this privelege "EventManageAndUseAlerts" to one of the roles and check.
I didn't try it before so if it doesn't work let us know and we can look further
Thanks,
Layan Jweihan
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