CREATED: Order was created at integrator's system. REJECTED: Order was rejected by integrator. CONFIRMED: Order was confirmed by the integrator and is active. CANCELLED: User cancelled the order. IN_TRANSIT: Order is being delivered. RETURNED: User did a return. FULFILLED: User received what was ordered. 'CHANGE_REQUESTED': User has requested a change to the order, and the integrator is processing this change. The order should be moved to another state after the request is handled.
