Tracked customizations Update sets can track customizations to application tables, fields, and records. Update sets track customizations under these conditions: Where the table has an update_synch dictionary attribute. Where there is a special handler to track changes to multiple tables. Where the administrator has not specifically excluded a field from updates. In general, update sets capture configuration information but not task or process data. For example, update sets track service catalog item definitions and related configuration data like variables and variable choices. However, if you test the service catalog by placing orders, the order requests, items, and catalog tasks are not tracked by update sets. Update sets have a limited capacity to transfer data as application files. This is intended to provide demo data for applications. For larger data transfers export data and import it with an import set or web service. Update_synch attributeA default rule blocks the use of the update_synch attribute on a table for which it is not predefined to avoid issues.Special handlersSome changes require special handlers because they represent information on multiple tables.Homepages and content pages in update setsHomepages and content pages are not added to update sets by default. You must manually add pages to the current update set by unloading them.