“NSPersistentCloudKitContainer”

The session Using Core Data with CloudKit (https://developer.apple.com/videos/play/wwdc2019/202/) spoke of a sample app for demonstrating the new NSPersistentCloudKitContainer and how it ties Core Data and CloudKit together. I didn't see it listed with the session resources; has it been uploaded somewhere else? If not, when can we expect the sample application to be posted?

Trying to set up a test app using NSPersistentCloudKitContainer. Once I got the container set up, got error that attributes must be Optional or provide a default value, which makes sense. Problem is I have one Entity that has a Binary Data field. The field has been marked as Optional.However, the DataModelCompile build step complains that Photo.image must have a default value Also get a CloudKit Integration error along the same lines: Photo.image must have a default value.But there is no way to define a default value for a Binary Data attribute, so don't see a way to fulfill this.Anybody got a clue or do you think its just something I should Radar?

Does anyone know if the new NSPersistentCloudKitContainer will work in an Application that shares data with others (CKShare), or will it only work as shown in the demo with other devices of the same iCloud Account?

I try to figure out if it's possible to share a users core data events in one app, to another user with CKShare and CKRecord.I got the device sync up and running and can see the changes, also CloudKit dashboard has published the changes to production.However, when I have my NSManagedObject that I got either local or from another device, I try to call the following:let myEvent: // NSManagedObject from core datalet container: NSPersistentCloudKitContainer = AppDelegate.shared.containerlet record = container.record(for myEvent.objectID // not working// record is always nilThe receord is always nil, why?And is is possible to later pass the CKRecord in a UICloudSharingController to share it to another user?

Is there a way to pause or disable syncing via NSPersistentCloudKitContainer at runtime? I want to give my users the option to enable or disable syncing, but there doesn't seem to be a good way to do it. I tried reloading the persistent stores and setting the store description's cloudKitContainerOptions to nil, but if I do that after first initialization, I get an error:error: Store opened without NSPersistentHistoryTrackingKey but previously had been opened with NSPersistentHistoryTrackingKey - Forcing into Read Only modeAnyone know of another way to do this?I submitted a request via Feedback Assistant for a flag to enable or disable syncing (FB6156182). I know the user could theoretically go into the Settings app and enable or disable iCloud access for the app as a whole, but that's not very discoverable, and disables all iCloud access. I'm looking for something a little more fine-grained (limited to the NSPersistentCloudKitContainer) and that I could control in my app's UI.

I am trying to build a very basic app using Core Data and CloudKit. I am logged into my CloudKit account on my Mac, and I followed the instructions to run the sample project that Apple provided on their website.Using the sample project as a guide, I tried to build a simpler app using the instructions provided here.However, after building trying to run my sample project, I get the following error stack trace in my console:CoreData: debug: CoreData+CloudKit: -[PFCloudKitOptionsValidator validateOptions:andStoreOptions:error:](35): Validating options: <NSCloudKitMirroringDelegateOptions: 0x60000097f960> containerIdentifier:iCloud.com.cybermedia.CloudKitTest1 initializeSchema:YES ckAssetThresholdBytes:<null> operationMemoryThresholdBytes:<null> useEncryptedStorage:NO automaticallyDownloadFileBackedFutures:NO automaticallyScheduleImportAndExportOperations:YES skipCloudKitSetup:NO preserveLegacyRecordMetadataBehavior:NO useDaemon:YES apsConnectionMachServiceName:<null> containerProvider:<

I want my exiting project that's using Core Data to enable it use NSPersistentCloudKitContainer.So I set up my project as below documentation Setting Up Core Data with CloudKit says.https://developer.apple.com/documentation/coredata/mirroring_a_core_data_store_with_cloudkit/setting_up_core_data_with_cloudkitBut if I change NSPersistentContainer into NSPersistentCloudKitContainer an error occures.The error message is Use of undeclared type 'NSPersistentCloudKitContainer'.Why this happen?Are there anyone who can solve this problem?Please help me.Thanks in advance.