An item of a ReturnCase, created using method ReturnCase.createItem(String). Initially the ReturnCaseItem is NEW. No Return can be created at this point. From NEW the item transitions in CONFIRMED state. Now Return can be created. Next transition is either to PARTIAL_RETURNED or to CANCELLED. At the end the item can be RETURNED (no other Returns can be created. The custom code implementing the ReturnHooks is responsible to provide the logic for the transitions. Please refer to the documentation of ReturnHooks for further information.
When the related ReturnCase were confirmed, only the the custom attributes of the return case item can be changed.

Order post-processing APIs (gillian) are now inactive by default and will throw an exception if accessed. Activation needs preliminary approval by Product Management. Please contact support in this case. Existing customers using these APIs are not affected by this change and can use the APIs until further notice.