view_cart Event

window._upstack('track', 'view_cart', {
  items: [
    {
      id: 'SKU_12345',
      name: 'Classic Cotton Tee',
      price: 34.99,
      quantity: 2
    },
    {
      id: 'SKU_67890',
      name: 'Running Socks',
      price: 14.99,
      quantity: 1
    }
  ],
  value: 84.97,
  currency: 'USD'
});