function FinalAssistant(argFromPusher) {

}

FinalAssistant.prototype = {
   setup: function() {
      Ares.setupSceneAssistant(this);
      this.controller.listen("listSelector1", Mojo.Event.listSelector1Tap, this.listSelector1Tap.bindAsEventListener(this));
   },
   cleanup: function() {
      Ares.cleanupSceneAssistant(this);
      Mojo.Event.stopListening(this.controller.listSelector1,Mojo.Event.listSelector1Tap,this.listSelector1Tap)
     
   },

   listSelector1Tap: function(inSender, event) {
      switch (event.choices.label)
    {
        case 'Two':
            this.listModel2.choices = [{label: "eight"}, {label: "nine"}];
            this.controller.modelChanged(this.listModel2);
            break;
           
        case 'One':
              this.listModel2.choices = [{label: "ten"}];
              this.controller.modelChanged(this.listModel2);
              break;
           
    }


   },

the Mojo Log info error says Mojo.Event.listen 'target' parameter must be defined