Return cart value from GA4 items dataLayer for Facebook value

by michalmarketingmakers

JavaScript

var produkty = [{
            "item_name": "Držák na truhlíky HANGPLAST hnědý 23,5cm",
            "item_id": "9aeca61c-7413-4c40-ad38-9ae6e0886331",
            "price": "23.00",
            "quantity": "6"
        },
        {
            "item_name": "Heidrun Květináč 14cm (48/krt)",
            "item_id": "40354862-773a-4dc0-926c-e0be94b736d8",
            "price": "16.00",
            "quantity": "5"
        }];
        
var fb_value = 0;
if (typeof produkty !== 'undefined') {
for (var i = 0; i < produkty.length; i++) {  
     fb_value += produkty[i].price*produkty[i].quantity*1;
}
console.log(fb_value);

} else {  }