Add Outbound Shipping Method to Exchange

Remove Outbound Item from Exchange DELETE

Remove an outbound (or new) item from an exchange using the `ID` of the item's `ITEM_ADD` action. Every item has an `actions` property, whose value is an array of actions. You can check the action's name using its `action` property, and use the value of the `id` property.

Update Outbound Shipping Method of Exchange POST

Update the shipping method for delivering outbound items in the exchange using the `ID` of the method's `SHIPPING_ADD` action. Every shipping method has an `actions` property, whose value is an array of actions. You can check the action's name using its `action` property, and use the value of the `id` property.