JSE_WebService: Edit a document’s metadata

var pParameters = {};
pParameters["metadatas[11306]"] = "new value";
pParameters["metadatas[11307]"] = "new value2";
pParameters["clearUnsetMetadata"] = "false";
var ws = new JSE_WebService("127.0.0.1", "http", 8000);
ws.setAuthentication("admin","pass");
var res = ws.sendFiles("/ws/v2/document/41", null, pParameters);
return res.StringResponse;