gist for http://stackoverflow.com/questions/32832841/how-to-dynamically-generate-csv-error-headers/32833994?noredirect=1#comment53778803_32833994

so_rythm_csv.html

@args com.helper.myObj.MyObject myObj SKU, Group ID, Locale, Channel ID, Item ID, Status, Message1 ID, Message1, Message2 ID, Message2, Message3 ID, Message3, Message4 ID, Message4, Message5 ID, Message5 

@for(com.helper.myObj.MyObject myObj : myObjects) { 
@myObj.getSku(),@myObj.getGroupId(),@myObj.getLocale(), @myObj.getChannelId(), @myObj.getItemId(), @myObj.getOverallStatus(), @for(main.rythm.ErrorObject eo : myObj.getErrObj()).join(","){@eo.getErrId(),@eo.getErrMsg()} 
}