HomeAvalara E-Invoicing and Live ReportingAvalara E-Invoicing and Live ReportingOverviewAPISDKMCPIntegration guidesVersion v1.4Data Input FieldsDocumentsInteropMandatesSubscriptionsTax IdentifiersTrading PartnersModelsELR UsecasesExtensionParameterskeyRequiredstringName of the custom attribute.valuesRequiredarrayArray of string values associated with the custom attribute.View Example