Create label with Multi Packagepost https://marketplace.walmartapis.com/v3/shipping/multi-package/labelsBody ParamsLabel fieldspackageDimensionsarray of objectsrequiredpackageDimensions*ADD objectboxItemsarray of objectsrequiredboxItems*ADD objectfromAddressobjectrequiredfromAddress objectpurchaseOrderIdstringrequiredcarrierNamestringrequiredcarrierServiceTypestringrequiredHeadersWM_SEC.ACCESS_TOKENstringrequiredWM_CONSUMER.CHANNEL.TYPEstringWM_QOS.CORRELATION_IDstringrequiredWM_SVC.NAMEstringrequiredWM_MARKETstringenumrequiredmxcaclAllowed:mxcaclWM_GLOBAL_VERSIONstringenumrequired3.1Allowed:3.1AcceptstringrequiredResponses 200Successful Operation 400Bad request 500Internal Server ErrorUpdated about 1 month ago