Updates a reverse delivery with associated external shipping information.
Access Scopes
`write_returns` access scope. Also: The user must have `return_orders` permission.
Arguments
labelInput:
ReverseDeliveryLabelInput -
The return label file information for the reverse delivery.
notifyCustomer:
Boolean -
If `true` and an email address exists on the `ReverseFulfillmentOrder.order`, then the customer is notified with the updated delivery instructions.