BasicSwiftDataApp.swift

import SwiftData
import SwiftUI

@available(iOS 17, *)
@Model
class TestData {
    var id: UUID
    var text: String

    init(id: UUID, text: String) {
        self.id = id
        self.text = text
    }
}

@available(iOS 17, *)
struct ContentView: View {
    @Query var testData: [TestData]
    @Environment(\.modelContext) private var modelContext

    var body: some View {
        Section {
            List {
                ForEach(testData, id: \.id) { data in
                    Text(data.text)
                }.onDelete(perform: { indexSet in
                    for index in indexSet {
                        modelContext.delete(testData[index])
                    }
                })
            }
        }
        Section {
            Button("ADD DATA") {
                let dataExample: TestData = TestData(id: UUID(), text: "TEST")

                modelContext.insert(dataExample)
            }
        }
    }
}