token_tag

# File actionview/lib/action_view/helpers/url_helper.rb, line 606
        def token_tag(token=nil)
          if token != false && protect_against_forgery?
            token ||= form_authenticity_token
            tag(:input, type: "hidden", name: request_forgery_protection_token.to_s, value: token)
          else
            ''
          end
        end