UNNotificationExtensionInitialContentSizeRatio
The initial size of the view controller’s view for an app extension, expressed as a ratio of its height to its width.
See Also
UIKit
IDMessageFilterExtensionNetworkURLILClassificationExtensionSMSReportDestinationIsASCIICapableMSMessagesAppPresentationContextMessagesPrefersRightToLeftPrimaryLanguageRequestsOpenAccessUIDocumentPickerModesUIDocumentPickerSupportedFileTypesUNNotificationExtensionCategoryUNNotificationExtensionDefaultContentHiddenUNNotificationExtensionOverridesDefaultTitleUNNotificationExtensionUserInteractionEnabled