Swiftdata: CloudKit integration requires that all attributes be optional, or have a default value set

Question

Created Oct ’23

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Participants 2

Unfortunately I can not get swiftdata to work for me. I created a brand new project in Xcode, modified no code and the program fails with this error.

Only thing I did was add an iCloud container.

The default code that you are given for a swiftadata object is:

@Model
final class Item {
    var timestamp: Date
    
    init(timestamp: Date) {
        self.timestamp = timestamp
    }
}

Xcode wants that values in this model to ether be optional or have a default value. I thought this was a bug that had been fixed, but I am on the latest Xcode.

I am not sure how to proceed. If the default code Xcode gives you won't compile, how am I able to code my own?

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Answer 1

Frameworks Engineer OP

Apple

Oct ’23

What was wrong with:

@Model
final class Item {
    var timestamp: Date?
    // or
    var timestamp: Date = Date()
    
    init(timestamp: Date) {
        self.timestamp = timestamp
    }
}

0