State can be one of the following values:
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.
Required.
Generated using TypeDoc
The user-visible string for the state. Required.