> ## Documentation Index
> Fetch the complete documentation index at: https://docs.upstackdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# shipping

> Shipping cost for the order.

Shipping cost for the order.

```javascript theme={null}
window._upstack('track', 'purchase', {
  transactionId: 'ORD-12345',
  value: 134.99,
  currency: 'USD',
  shipping: 8.00
});
```

| Type   | Required | Events                                            |
| ------ | -------- | ------------------------------------------------- |
| number | No       | purchase, initiate\_checkout, add\_shipping\_info |

## Related Properties

<CardGroup cols={2}>
  <Card title="shippingTier" icon="gauge-high" href="/pixel/events/properties/shipping-tier">
    Shipping speed/tier selected.
  </Card>

  <Card title="tax" icon="percent" href="/pixel/events/properties/tax">
    Tax amount.
  </Card>
</CardGroup>