Sets the flash state of an LED.
Namespace: Panel
Void SetLedFlash(System.String, Int32, Boolean)
http://[ip]:4430/titan/script/Panel/SetLedFlash
itemClass: The class that the led is in. Supports a list a list of items seperated by a semi colon.
index: The index of the led within the class.
on: True = turn on flash, Falsse = turn off flash.