How do I sort CloudKit results by modified date?

Question

I'm trying to order search results by the modified date. If I wanted to do by creationDate its:

query.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]

What's the key for modified date? A list of all NSSortDescriptor keys or a way to find them would be extremely helpful.

Answer 1

Found it on accident after randomly trying 100 things. It's:

query.sortDescriptors = [NSSortDescriptor(key: "modificationDate", ascending: false)]

They key being "modificationDate" I could still use a list of these a info on how to find them. -Thanks

Answer 2

You can simply look at the CKRecord keys (metadata) on the Apple website here; https://developer.apple.com/reference/cloudkit/ckrecord

This is in answer to your last question.