window.renderOptIn = function() {
window.gapi.load('surveyoptin', function() {
window.gapi.surveyoptin.render(
{
// REQUIRED FIELDS
"merchant_id": 5293063740,
"order_id": "ORDER_ID",
"email": "CUSTOMER_EMAIL",
"delivery_country": "COUNTRY_CODE",
"estimated_delivery_date": "YYYY-MM-DD",
// OPTIONAL FIELDS
"products": [{"gtin":"GTIN1"}, {"gtin":"GTIN2"}]
});
});
}
