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

# Order tracking

> Attribute checkout to a shoppable video session with reeview_uid.

When a shopper watches a shoppable video widget, Videowise sets the `reeview_uid` cookie (14 days). The order tracking pixel reads that cookie at checkout and sends it as `uid`, so the order is attributed to the widget session.

You install **one** storefront pixel. The same pixel also attributes live shopping via `reeview_lsid` — see [Live shopping order tracking](/live-shopping/order-tracking). This page covers what is specific to widgets.

## How attribution works

1. The shopper interacts with a widget (stories, carousel, grid, floating, and similar).
2. Videowise writes `reeview_uid`. Campaign and experiment cookies may also be set (`reeview_campaign` from `videowise_campaign_id` in the URL, `REEVIEW_SESSION`). See [Cookies](/cookies).
3. On order confirmation, the pixel includes `uid` (and campaign / experiment / referral values when present) in the tracking request.

The pixel snippets already send `uid`. Shopify, Magento, SFCC, and custom/GTM installs all read `reeview_uid`.

On React Native, persist and send the same ID with [`getStoredData`](/sdk/get-stored-data) (`uid`) and [`trackingPixel`](/sdk/tracking-pixel).

## Install the pixel

Follow the platform guide in [Order tracking pixel](/pixel/overview). Install once per storefront.

<CardGroup cols={2}>
  <Card title="Shopify" icon="shopify" href="/pixel/shopify">
    Customer events pixel. Sends `uid` from `reeview_uid`.
  </Card>

  <Card title="Magento" icon="magento" href="/pixel/magento">
    Included on the default thank-you page.
  </Card>

  <Card title="Salesforce Commerce Cloud" icon="cloud" href="/pixel/sfcc">
    Included on the default order confirmation page.
  </Card>

  <Card title="Other / GTM" icon="code" href="/pixel/custom">
    Custom snippet. Passes `uid` on the order payload.
  </Card>
</CardGroup>

## Related

* [Shoppable videos overview](/shoppable-videos/overview)
* [Custom platforms](/shoppable-videos/custom-platforms)
* [Widget custom events](/shoppable-videos/custom-events)
* [Order tracking pixel](/pixel/overview) — platform install
* [Live shopping order tracking](/live-shopping/order-tracking)
* [Cookies](/cookies)
* [Tracking pixel (SDK)](/sdk/tracking-pixel)