Upload_status_for undefined method?


Hi all,

    I'm trying to put in an upload progress bar for my application,

and when I try:

class ContactsController < ApplicationController
auto_complete_for :contact, :name
upload_status_for :create

I get this error:

undefined method `upload_status_for’ for ContactsController:Class

How can that be? Isn’t progress bar part of ActionView,
which is installed by default with rails?