Полезные статьи
window.renderOptIn = function() {
window.gapi.load('surveyoptin', function() {
window.gapi.surveyoptin.render(
{
"merchant_id": 148974456,
"order_id": "",
"email": "",
"delivery_country": "Ukraine",
"products": [{"mpn":"", {"brand":""]
});
});
}
