GA4 - iOS - Swift - view_cart

// Products can be instrumented as an array of items that can be added to prescribed ecommerce events.

//When a user subsequently views the cart, log the view_cart event with all items in the cart.

// A pair of jeggings (product1)
var jeggings: [String: Any] = [
  AnalyticsParameterItemID: "SKU_123",                      //Item ID (context-specific) (NSString).
  AnalyticsParameterItemName: "jeggings",                   //Item Name (context-specific) (NSString).
  AnalyticsParameterItemCategory: "pants",                  //Item category (context-specific) (NSString).
  AnalyticsParameterItemCategory2: "sub-cat1",              //Item sub-category (context-specific) (NSString).
  AnalyticsParameterItemCategory3: "sub-cat2",              //Item sub-category (context-specific) (NSString).
  AnalyticsParameterItemCategory4: "sub-cat3",              //Item sub-category (context-specific) (NSString).
  AnalyticsParameterItemCategory5: "sub-cat4",              //Item sub-category (context-specific) (NSString).
  AnalyticsParameterItemVariant: "black",                   //Item variant (NSString).
  AnalyticsParameterItemBrand: "Google",                    //Item brand(NSString).
  AnalyticsParameterPrice: 9.99,                            //Product price (double as NSNumber).
]

// A pair of boots (product2)
var boots: [String: Any] = [
  AnalyticsParameterItemID: "SKU_456",
  AnalyticsParameterItemName: "boots",
  AnalyticsParameterItemCategory: "shoes",
  AnalyticsParameterItemCategory2: "sub-cat1",
  AnalyticsParameterItemCategory3: "sub-cat2",
  AnalyticsParameterItemCategory4: "sub-cat3",
  AnalyticsParameterItemCategory5: "sub-cat4",
  AnalyticsParameterItemVariant: "brown",
  AnalyticsParameterItemBrand: "Google",
  AnalyticsParameterPrice: 24.99,
]

// Specify order quantity
jeggings[AnalyticsParameterQuantity] = 2
boots[AnalyticsParameterQuantity] = 1

// Prepare order parameters
var orderParameters: [String: Any] = [
  AnalyticsParameterCurrency: "USD",
  AnalyticsParameterValue: 44.97
]

// Add items array
orderParameters[AnalyticsParameterItems] = [jeggings, boots]

// Log event when cart is viewed
Analytics.logEvent(AnalyticsEventViewCart, parameters: orderParameters)