Here is a list of all documented namespace enums with links to the namespaces they belong to:

• AcknowledgementType : isobus
• CANLibParameterGroupNumber : isobus
• ControlFunctionState : isobus
• DataDescriptionIndex : isobus
• EventID : isobus
• ObjectTypes : isobus::task_controller_object
• PreferredAddress : isobus::preferred_addresses::IndustryGroup1, isobus::preferred_addresses::IndustryGroup2, isobus::preferred_addresses::IndustryGroup3, isobus::preferred_addresses::IndustryGroup4, isobus::preferred_addresses::IndustryGroup5
• VirtualTerminalObjectType : isobus