The CartModifierActor contains the setOrderByCommerceId actor-chain that allows an agent to override the price of an item within an order.

To override a price, add the following to the URL:

IPO:commerceItemId=newPrice

Override Price Example

curl -L -v -b agent_cookies.txt -H "Content-Type: application/json"
"http://localhost:8280/rest/model/atg/commerce/custsvc/order/CartModifierActor/
setOrderByCommerceId?ci172000006=1&IPO:ci172000006=19.99"