confirmed. This finalizes the cart and creates a new order resource.curl --location '/cart/checkout' \
--header 'Authorization: Bearer JWT' \
--header 'Content-Type: application/json' \
--data '{
"clientContactId": "1245451254",
"orderId": "1245451254",
"permId": "263d7733-b8f5-4f62-9330-525702be7be7"
}'{
"error": "Missing mandatory parameter 'itemId'"
}