The shopper portal allows your customers to see their pre-order history and cancel pre-orders before they are fulfilled.
We recommend hosting the shopper portal iframe on a new page - e.g. /pages/manage-pre-orders - that is linked from your support pages, similar to how a returns portal would be.
The title of the page should be Manage Pre-orders.
The following snippet should be placed on a Shopify page by editing the page's HTML: