Expo-Product Purchase

var data = {"OM.tid" : "Transaction ID", "OM.pp" : "Product1 Code;Product2 Code", "OM.pu" : "Product1 Quantity;Product2 Quantity", "OM.ppr" : "Product1 Price*Product1 Quantity;Product2 Price*Product2 Quantity"};
api.customEvent("Cart", data);