HomeExemption Certificate ManagementExemption Certificate ManagementOverviewAPIMCPIntegration guidesECM (AvaTax) APICertCapture RESTful APIsModelsProductClassificationSystemModelFetchResultThis model is used in the following APIs:Definitions/ListProductClassificationSystemsDefinitions/ListProductClassificationSystemsByCompanyParameters@recordsetCountOptionalintegervalueOptionalarray@nextLinkOptionalstringpageKeyOptionalstringView Example