How can I use swift data

To use Swift Data, you can follow these steps:

Import the Framework: Start by importing the Swift Data framework into your project.
Define Your Models: Use the @Model macro to define your data models. This macro helps in creating the schema for your data.
```
import SwiftData

@Model
class Trip {
    var name: String
    var startDate: Date
    var endDate: Date
}
```

Configure the Model Container: Use the modelContainer modifier on your WindowGroup to tell the view hierarchy about your model.

@main
struct MyApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
                .modelContainer(for: Trip.self)
        }
    }
}

Querying Data: You can use queries to fetch data from the model container. For example, to fetch all trips:
```
@FetchRequest(sortDescriptors: [SortDescriptor(\.startDate)])
private var trips: FetchedResults<Trip>
```
Custom Data Stores: If you need to use a custom backend, you can configure a custom data store. This is useful if you want to use a backend like SQLite, a remote web service, or JSON files.
```
let customStore = CustomDataStore(configuration: .init(url: customURL))
let container = ModelContainer(for: [Trip.self], store: customStore)
```
History Tracking: Swift Data provides a history API to track changes in your data store, which is useful for syncing with remote services or implementing features like change badges.
```
let history = try container.history()
for change in history {
    // Process changes
}
```

For more detailed information, you can refer to the following sessions from WWDC 2024:

These sessions cover various aspects of using Swift Data, including adopting it in your app, customizing the schema, using the history API, and creating custom data stores.