iCloud is a set of interfaces and services provided by Apple, for sharing data among different instances of the application running on different devices, in an easy to use and safe manner. To be able to work with iCloud, first you will need an App ID configured for iCloud. In the XCode project entitlements should be enabled and also iCloud needs to be set up on the deployment device (iCloud app
cannot be tested on a simulator). Detailed configuration steps are not subject of this article, details can be found on https://developer.apple.com.
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