NSSortDescriptor in Swift

Question

I am working on an iOS app and I have data stored in CoreData that I am loading into a UITableView. The data entities have an attribute called id which is a string

Answer 1

for swift 4.2

You can sort array using NSSortDescriptor

let descriptor: NSSortDescriptor = NSSortDescriptor(key: "lastMessageDate", ascending: false)
let sortedResults = arrChatDialogs?.sortedArray(using: [descriptor])