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SyncKit tutorial - CloudKit with CoreData IOS10, Obj-C

This Tutorial shows you SyncKit, a great Solution for syncing your data using CloudKit between devices instead of iCloud Drive with Core Data, because of Core Data stores with ubiquity options have been deprecated. I’m going to create a simple model, where companies have departments and employees are in departments. I’ll import at launch CoreDataDefaults, exactly 5 Companies. After that I’m going to add new departments and employees too. With a Sync button, I will sync these Data with CloudKit.
Because of I import companies at first launch, if the user deletes the app, and later install it again, these will duplicate. Avoid this, I’m going to use QSPrimaryKey identifying objects, so if the Name of the Company already exists, that will be not synced again, that will be not duplicate neither in CloudKit nor local.

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