..and ten mins of additional searching ...and I have it...
const var ParametriqEQ1 = Synth.getEffect("Parametriq EQ1"); var myState = ParametriqEQ1.exportState(); Console.print(myState); inline function onButton1Control(component, value) { ParametriqEQ1.restoreState(myState); }; Content.getComponent("Button1").setControlCallback(onButton1Control);