Xpressengine\Menu\MenuRepository::findItem PHP Method

    public function findItem($id, $with = []);

 /**
  * Find a menu item
  *
  * @param string $id   menu item identifier
  * @param array  $with relation
  * @return MenuItem
  */
 public function findItem($id, $with = [])
 {
     if (!isset($this->itemBag[$id])) {
         $this->itemBag[$id] = $this->repo->findItem($id, $with);
     }
     return $this->itemBag[$id];
 }