Xpressengine\Menu\MenuRepository::insertItem PHP Method

    public function insertItem(MenuItem $item);

 /**
  * Insert menu item
  *
  * @param MenuItem $item menu item instance
  * @return MenuItem
  */
 public function insertItem(MenuItem $item)
 {
     $item = $this->repo->insertItem($item);
     $key = $this->getItemCacheKey($item->getKey());
     $this->cache->put($key, $item);
     return $item;
 }