> ## 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.

# shippingTier

> Shipping tier selected by the customer.

Shipping tier selected by the customer.

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

| Type   | Required | Events                                                  |
| ------ | -------- | ------------------------------------------------------- |
| string | No       | purchase, add\_shipping\_info, select\_shipping\_method |

## Common Values

| Value       | Description                  |
| ----------- | ---------------------------- |
| `standard`  | Standard shipping (5-7 days) |
| `express`   | Express shipping (2-3 days)  |
| `overnight` | Next-day delivery            |
| `free`      | Free shipping                |
| `pickup`    | In-store pickup              |

<Note>
  These are suggested values. Any string is accepted.
</Note>

## Related Properties

<CardGroup cols={2}>
  <Card title="shipping" icon="dollar-sign" href="/pixel/events/properties/shipping">
    Shipping cost amount.
  </Card>

  <Card title="paymentType" icon="credit-card" href="/pixel/events/properties/payment-type">
    Payment method used.
  </Card>
</CardGroup>