Rami levi check custom product in cart(Adoric) GTM teg..

<script>
(function() {
    var cartTotal = JSON.parse(window.localStorage.getItem('ramilevy'));
    if (cartTotal) {
        cartTotal.cart.items.forEach(function(item) {
            if (item.id == 304970) {
                window.inCartProduct_304970 = true;
            }
        });
    }
})();
</script>