OptionaldeliveryOptionalserviceThe service tiers that are acceptable for this order, listed in order of preference. The first value is the preferred tier and is used for fulfillment if possible. Available values: STANDARD, EXPEDITED, PRIORITY (only available in Canada, India, and Mexico), SCHEDULED (only available in Japan). Currently, only the first value in the array is used.
Service level configuration for fulfillment. Available service tiers:
STANDARD,EXPEDITED,PRIORITY(only available in Canada, India, and Mexico),SCHEDULED(only available in Japan).