Change Node Icon

[4L4Y]

How to Change my node Icon at tree menu
all my icon tree menu is folder picture, and i want to change child node icon.



this my json code

{
    "msg": "No value for message field",
    "success": true,
    "result": false,
    "totalCount": 0,
    "root": [{
            "text": "test",
            "index": 1,
            "cls": "folder",
            "expanded": false,
            "leaf": false,
            "href": "",
            "id": null,
            "root": [{
                    "text": "System Adminitrator",
                    "index": 2,
                    "cls": "file",
                    "expanded": false,
                    "leaf": false,
                    "href": "/systemadm/",
                    "id": null,
                    "root": []
                }, {
                    "text": "anak menu 1",
                    "index": 3,
                    "cls": "file",
                    "expanded": false,
                    "leaf": false,
                    "href": "anak menu 1",
                    "id": null,
                    "root": [{
                            "text": "anak anak parent 3",
                            "index": 1,
                            "cls": "file",
                            "expanded": false,
                            "leaf": false,
                            "href": "bala/bla",
                            "id": null,
                            "root": []
                        }
                    ]
                }, {
                    "text": "anak menu 1",
                    "index": 4,
                    "cls": "file",
                    "expanded": false,
                    "leaf": false,
                    "href": "anak menu 1",
                    "id": null,
                    "root": []
                }
            ]
        }, {
            "text": "menu 2",
            "index": 1,
            "cls": "folder",
            "expanded": false,
            "leaf": false,
            "href": "",
            "id": null,
            "root": [{
                    "text": "anak menu 2",
                    "index": 2,
                    "cls": "file",
                    "expanded": false,
                    "leaf": false,
                    "href": "test",
                    "id": null,
                    "root": []
                }
            ]
        }
    ]
}

thanks
4L4Y

[4L4Y]

thanks for view guys,
SOLVED