diff --git a/app/assets/javascript/vue_r/application.rb b/app/assets/javascript/vue_r/application.rb
index 5170883..b89d570 100644
--- a/app/assets/javascript/vue_r/application.rb
+++ b/app/assets/javascript/vue_r/application.rb
@@ -38,13 +38,13 @@ module VueR
     def trigger(key)
       puts "Trigger:#{key}"
       effects = get_subscribers_for(key)
-      effects.each {|effect| effect() }
+      effects.each {|effect| effect.call() }
     end
 
     def get_subscribers_for(key)
       key = key.to_sym
       unless @subscribers.has_key?(key)
-        @subscribers[key] = []
+        @subscribers[key] = Set.new
       end
       @subscribers[key]
     end
diff --git a/app/assets/javascript/vue_r/mounter.rb b/app/assets/javascript/vue_r/mounter.rb
index 3b14ef0..61da525 100644
--- a/app/assets/javascript/vue_r/mounter.rb
+++ b/app/assets/javascript/vue_r/mounter.rb
@@ -49,8 +49,16 @@ module VueR
       end
       @application.watch_effect(proc)
     end
+
+
     def mount_event(element , name)
-      puts "Event: #{name}"
+      native_name = name.gsub("e_" , "")
+      ruby = element[name]
+      puts "Event: #{native_name}:#{ruby}"
+      element.on!(native_name) do
+        got = @application.eval(ruby)
+        puts "Clicked #{got}"
+      end
     end
   end
 end
diff --git a/app/views/kanta/show.html.haml b/app/views/kanta/show.html.haml
index ef52791..f0c38ca 100644
--- a/app/views/kanta/show.html.haml
+++ b/app/views/kanta/show.html.haml
@@ -3,11 +3,13 @@
     = #@image.attributes
 
   .flex.justify-center
-    %a.underline{ e_click: "hi" , r_class: 'bg'}
+    %a.underline{ e_click: "bg_change" , r_class: 'bg'}
       {{ bg }}
 :opal
   class Clicker < VueR::Application
-
+    def bg_change
+      self.bg = "bg-cyan-50"
+    end
   end
 
   kanta = Clicker.new(bg: 'bg-cyan-200')