Turns on an LED in a class and group and turns off all other LEDs in that class and group, updating the bottom frame (root) of the LED state stack.
Namespace: Panel
Void Panel.SelectSoloLedInGroupAtStackRoot(String itemClass, String group, Int32 index)
http://[ip]:4430/titan/script/2/Panel/SelectSoloLedInGroupAtStackRoot?itemClass={string}&group={string}&index={titanId}
itemClass ( String ) : Name of class of items.
group ( String ) : Name of the group of items.
index ( Int32 ) : Index of the LED to turn on.