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Custom Codable Keys #When our JSON data matches the types we design, Codable works perfectly. In fact, it’s usually enough that we don’t do anything more than add the Codable compatibility - the Swift compiler will automatically generate everything we need.

While this is just an introduction to what SwiftData can do, you’ve seen how it can add, delete, sort, filter and more with relatively simple code.

Today we will work on topics such as NSPredicate, dynamically changing fetch requtes, creating relationships. The topics we will work on today;

In our last project we looked at using SwiftData with SwiftUI, in this project we’ll go into more detail: we’ll look at things like custom managed object subclasses and ensuring uniqueness.

Congratulations on finishing another SwiftUI project! With technologies like SwiftData on your side, you can now build some serious apps that interact with the user and most importantly remember what they input.