ElasticSearch-Update Child Field

gistfile1.txt

//URI:POST
http://localhost:9200/11687/document/8132/_update?parent=6675
11687 is index.
document is type.
8132 is documentId


//Json
{
    "script" : "ctx._source.LatestVersion = LatestVersion",
    "params" : {
        "LatestVersion" : false
    }
}
_soruce.XXXX , XXXX is FieldName


//Result
{
    "_index": "11687",
    "_type": "document",
    "_id": "8132",
    "_version": 2
}