The driver name is part of the attributes. So do the following:system.tag.addTag(parentPath="", name="N7_0", tagType="OPC", dataType="Int4", attributes={"OPCServer":"Ignition OPC-UA Server", "OPCItemPath":"[MLX]N7:0", "AlertMode":1, "AlertDisplayPath":"Machine A", "AlertNotes":"Notes for the alert", "AlertAckMode":2, "DriverName":"SomeDriverName"}, alarmList="Out of Range;Medium;1.0;1.0;0;;;0.0;SEC$")Notice “DriverName”:“SomeDriverName” in the attributes list.