ruby on rails 3 - How can I use a model named Collector in a controller? -

ruby on rails 3 - How can I use a model named Collector in a controller? -

i'm trying in controller:

@collector = collector.find(params[:id])

but when do, error:

undefined method `find' actioncontroller::mimeresponds::collector:class

how can show i'm trying utilize activerecord model named collector?

try refer class prefixed :: in ::collector

ruby-on-rails-3 activerecord