# File lib/rhc/commands/cartridge.rb, line 42
    def add(cart_type)
      cart = find_cartridge rest_client, cart_type

      say "Adding '#{cart.name}' to application '#{options.app}' ... "

      rest_domain = rest_client.find_domain(options.namespace)
      rest_app = rest_domain.find_application(options.app)
      rest_cartridge = rest_app.add_cartridge(cart.name)

      success "Success"

      display_cart(rest_cartridge)

      results{ rest_cartridge.messages.each { |msg| success msg } }

      0
    end