As of API version 2021-04, a new field called
delivery_method is present on the
FulfillmentOrder object in the REST Admin. This field can contain an
id and a
method_type can be one of the following values:
delivery_method represents the type of method that is used to transfer a product or service to a customer. The field was previously released in GraphQL API 2020-10 version.
For more information about FulfillmentOrder, visit our developer documentation.