If you want to see shipping charges as a line item on your Revel operations report:
On Revel, find the shipping product ID, which is the numeric ID from the URL of the product. For example:
​https://yourdomain.revelup.com/menu/products/1842/detail/  the product ID would be 1842.

On Vines OS, go to Revel > Establishment and enter the Revel product ID in the field "Shipping service product ID"
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Save.