Contents

init(id:)

Creates an event with an associated donation value.

Declaration

init(id: String)

Parameters

  • id:

    Unique identifier for persisting the event and its donations.

Creating an event

Create an event when you want display a tip based on an action that can occur one or more times in your app (such as a user logging in). Then use donate() to donate to the event when the action occurs, increasing the event count by one.

struct LandmarkDetailView: View {
    let landmark: Landmark

    var body: some View {
        VStack {
            Text(landmark.name)
            Text(landmark.description)
        }
        .task {
            let donationInfo = DidViewLandmark(landmarkName: landmark.name)
            await Self.didViewLandmark.donate(donationInfo)
        }
    }

    static let didViewLandmark = Event(id: "didViewLandmark")
}

Adding event rules

Add tip display rules using the #Rule macro to prevent a tip from being displayed until an event has been donated a specific number of times.

struct FavoriteLandmarkTip: Tip {
    var rules: [Rule] {
        // Tip will only display when the didViewLandmark event has been donated 3 or more times.
        #Rule(LandmarkDetailView.didViewLandmark) {
            $0.donations.count >= 3
        }
    }
}

Topics

Properties

Add Donations