public function add()
    {
        $category = $this->PagesCategories->newEntity();

        if ($this->request->is('post')) {
            $category = $this->PagesCategories->patchEntity($category, $this->request->getData());

            if ($this->PagesCategories->save($category)) {
                $this->Flash->success(I18N_OPERATION_OK);

                return $this->redirect(['action' => 'index']);
            }

            $this->Flash->error(I18N_OPERATION_NOT_OK);
        }

        $this->set(compact('category'));
    }