The shipping details.
email_addressstring<email_address>Optionalcountry_codestringRequirednational_numberstringRequiredtypeenumOptionaloptionsobject<shipping_option>[]Optionaltypeenum<shipping_type>Optionalamountobject<money>Optionalcurrency_codestring<currency_code>RequiredvaluestringRequiredselectedbooleanRequiredaddressobject<Portable Postal Address (Medium-Grained)>Optionaladmin_area_1stringOptionalcountry_codestring<country_code>RequiredNote: The country code for Great Britain isGBand notUKas used in the top-level domain names for that country. Use the `C2` country code for China worldwide for comparable uncontrolled price (CUP) method, bank card, and cross-border transactions.