erp/core/CoreApp/models/Model_systemboxclassid.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
class Model_systemboxclassid extends Lin_Model 
{
	function __construct(){
	parent::__construct();
	$this->load->database();
	$this->table = 'systemboxclassid';
    $this->load_table('systemboxclassid');
}
    public function get_box($box)
	{
		return  $this->find("box = '$box'");	
	}
}  //end class