diff --git a/light9/networking.py b/light9/networking.py
--- a/light9/networking.py
+++ b/light9/networking.py
@@ -40,3 +40,4 @@ musicPlayer = ServiceAddress(L9['musicPl
 keyboardComposer = ServiceAddress(L9['keyboardComposer'])
 curveCalc = ServiceAddress(L9['curveCalc'])
 vidref = ServiceAddress(L9['vidref'])
+effectEval = ServiceAddress(L9['effectEval'])