app/views/users/_sidebar.html.erb
<%= sidebar do %>
<%= sidebar_header 'Links' %>
<%= sidebar_item :icon => :users, :text => User.model_name.human(:count => 5), :path => users_path, :active => params[:action] == 'index', :perms => [:read, User] %>
<%= sidebar_item :icon => :user, :text => t('txt.views.users.new_link'), :path => new_user_path, :active => params[:action] == 'new', :perms => [:create, User] %>
<% end %>