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Account / sub-account objects
Edited Username as an example
Account Status (Canceled > Enabled, Enabled > Canceled for example)
User-packages
User-package components (NOTE: Not ALL conponents are sync'd such as Contract components)
Bulk user-package amounts
Contacts (email, billing info)
User extended attributes (see the article on Extended Attributes if you are unfamiliar with these elements)
Role profile questions - including nested profile questions with parent and sub profile questions as long as they are setup the same on each side per role
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