// TRUEPREDICATE: all records of the specified type match the predicate
let subscription = CKQuerySubscription使用nil notificationInfo: CKQuerySubscription: 0x7fd7bfca7ec0;查询订阅: recordType=PrivateRecords、predicate
我试图让iOS应用程序听到CKQuerySubscription的变化。数据由远程iOS应用程序传输。我已经有了一个macOS应用程序,它确实接收远程iOS应用程序发送的数据。cloudContainer.privateCloudDatabase let subscription = CKQuerySubscription