File uploader issue

Hello webix Team,
https://snippet.webix.com/43e1cb3b

In above snippet, I have uploader with auto send false,how can i redirect page in backend after file upload, I had tried using request.Dispatcher() to redirect page but it dosen’t work.

you need to redirect in callback

if(response.ok)
    location = "://new/path"

Thanks for replying but i want to rediect page from backend,when i am using webix uploader req.getRequestDispatcher(“page.jsp”).forward(req,resp) doesn’t work