Core GraphQL APIReferenceEnumsCourierProviderenumCourierProviderValuesCopy Anchor LinkPATHAOSTEADFASTUsagesCopy Anchor LinkField ofSendToCourierInput.providerSDLCopy Textenum CourierProvider { PATHAO STEADFAST}CouponValueTypePrevious PageCourierProviderValidateCourier provider name for validation