/**
  * Mixin Notifier
  *
  * This function is called when the mixin is being mixed. It will get the mixer passed in.
  *
  * @param KObjectMixable $mixer The mixer object
  * @return void
  */
 public function onMixin(KObjectMixable $mixer)
 {
     parent::onMixin($mixer);
     //Add mixer to the command chain to be able to execute the registered command handlers.
     $this->addCommandHandler($this);
 }