What is New in SwiftUI, WWDC 22 Article

MixedStateToggle.swift

@State var profileNotificationsIsOn: Bool = false
@State var campaignNotificationsIsOn: Bool = false
@State var emailNotificationsIsOn: Bool = false

var body: some View {
    DisclosureGroup {
        Toggle("Profile Notifications", isOn: $profileNotificationsIsOn)
        Toggle("Campaign Notifications", isOn: $campaignNotificationsIsOn)
        Toggle("E-Mail Notifications", isOn: $emailNotificationsIsOn)
    } label: {
        Toggle("Notifications", isOn: [
            $profileNotificationsIsOn,
            $campaignNotificationsIsOn,
            $emailNotificationsIsOn
        ])
    }
 }