Optionalcancellation_OptionalexpandSpecifies which fields in the response should be expanded.
Optionalinvoice_Will generate a final invoice that invoices for any un-invoiced metered usage and new/pending proration invoice items. Defaults to false.
OptionalprorateWill generate a proration invoice item that credits remaining unused time until the subscription period end. Defaults to false.
Details about why this subscription was cancelled