Adoric recommendation product click embed example;

<script>
(function() {
    function adoricAddToCart(productId) {
        var data = {
            "id": productId,
            "quantity":1
        };
        var xhr = new XMLHttpRequest();
        xhr.withCredentials = true;
        xhr.addEventListener('readystatechange', function () {
            if (this.readyState === 4) {
                console.log(this.responseText);
                window.location.reload();
            }
        });
        xhr.open('POST', window.location.origin + '/cart/add.js');
        xhr.setRequestHeader('content-type', 'application/json');
        xhr.setRequestHeader('cache-control', 'no-cache');
        xhr.send(JSON.stringify(data));
    }

    if (window.Element && !Element.prototype.closest) {
        Element.prototype.closest = function(s) {
            var matches = (this.document || this.ownerDocument).querySelectorAll(s),
                i,
                el = this;
            do {
            i = matches.length;
            while (--i >= 0 && matches.item(i) !== el) {};
            } while ((i < 0) && (el = el.parentElement));
            return el;
        };
    }
    var currentCampaignRepeater = document.querySelector('.' + self.identifier + ' .repeater-content');
    currentCampaignRepeater.addEventListener('click', function(event) {
        var productItem = event.target.closest('.repeater-item');
        if (event.target.getAttribute('role') === 'button' && productItem) {
            var productInformation = JSON.parse(productItem.dataset.productInfo);
            console.log('productInformation - ', productInformation);
            var  productId = 'someID'; /* take it from productInformation obj*/
            window.ga && window.ga('t0.send', 'event', {
                eventCategory: "Adoric - " + self.campaignTitle + '(' + self.versionTitle + ')',
                eventAction: 'click',
                eventLabel: 'Added to the cart - ' + productInformation.title,
            });

            adoricAddToCart(productId);
        }
    });
})();
</script>