app/controllers/admin/merchandise/wizards/prototypes_controller.rb
class Admin::Merchandise::Wizards::PrototypesController < Admin::Merchandise::Wizards::BaseController
def update
if @prototype = Prototype.find_by_id(params[:id])
session[:product_wizard] ||= {}
session[:product_wizard][:property_ids] = @prototype.property_ids
flash[:notice] = "Successfully added."
end
redirect_to next_form
end
end