ENUM
An enumeration.
enum ActivityTypeIconEnum {GeneralIconTaskAppointmentCallMailMessageTicketingIntegrationDocumentManagementEventManagementAccountingSystemMarketingCommunicationSystemsOrderProcessingWebServicesReturnMerchandiseAuthorizationSystemsSalesAutomatizationSmsMessagingErpSystemsDataAnalyticsWarehousesContactManagementContentManagementSystemsInventorySystemsWorkflowAssetManagementSystem}