begin_checkout Swift IOS

// Prepare checkout params
var checkoutParams: [String: Any] = [
  AnalyticsParameterCurrency: "USD",
  AnalyticsParameterValue: 14.99,
  AnalyticsParameterCoupon: "10FREE"
];

// Add items
checkoutParams[AnalyticsParameterItems] = [esim1]

// Log checkout event
Analytics.logEvent(AnalyticsEventBeginCheckout, parameters: checkoutParams)