# File lib/fog/softlayer/requests/network/create_subnet.rb, line 20
        def create_subnet(order)
          raise ArgumentError, "Order argument for #{self.class.name}##{__method__} must be Hash." unless order.is_a?(Hash)
          self.request(:product_order, :place_order, :body => order, :http_method => :post)
        end