.swift

import Foundation
import UIKit
import Intents
import CoreSpotlight
import CoreServices

@IBAction func donate() {
        
        // perform an actual order here
        
        
        // donating the activity to Siri
        
        let orderActivity = NSUserActivity(activityType: "com.azamsharp.HotCoffee.hot-coffee-activity-type")
        
        orderActivity.isEligibleForSearch = true
        orderActivity.isEligibleForPrediction = true
        orderActivity.title = "Regular Hot Coffee"
        orderActivity.suggestedInvocationPhrase = "Coffee Time"
        orderActivity.userInfo = ["Key":"Value"]
        
        let attributes = CSSearchableItemAttributeSet(itemContentType: kUTTypeItem as String)
        
        attributes.contentDescription = "Get it while its hot!"
        attributes.thumbnailData = UIImage(named: "pp-hot-coffee-rf-istock.jpg")?.pngData()
        
        orderActivity.contentAttributeSet = attributes
        self.userActivity = orderActivity 
        self.userActivity?.becomeCurrent()
        
    }