# File lib/fog/rackspace/models/queues/message.rb, line 50
        def save
          requires :queue, :client_id, :body, :ttl
          raise "Message has already been created and may not be updated." unless identity.nil?
          data = service.create_message(client_id, queue.name, body, ttl).body
          self.href = data['resources'][0]
          true
        end