Here is my code
class CfgORBAT
{
class 7thrtounit
{
id = 7;
idType = 0;
type = "HQ";
side = "west";
size = "Division";
commander = "Mike";
commanderRank = "Colonel";
text = "3ed RTO Brigade";
insignia=__EVAL(getMissionPath "CSATInsignia.paa");
textShort = "%1 RTO %3";
description = "Commmander of the 3ed Brigade";