cakePHPError Handling - Part 3

// /app/Controller/AppController.php
class AppController extends Controller {

  public function afterFilter() {
    parent::afterFilter();
  }

  public function beforeRender() {
    if ($this->name == 'CakeError') {
      $this->set('slider', FALSE);
      $this->set('message', "PESAN KESALAHAN");
      $this->layout = 'error_template';
    }
  }
}