Learn how to share settings data between your app and your photo extension.
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/2148-video-tutorial-ios-app-extensions-part-4-photo-extensions-shared-settings
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/2148-video-tutorial-ios-app-extensions-part-4-photo-extensions-shared-settings