# File lib/fog/aws/models/compute/server.rb, line 243
        def monitor=(new_monitor)
          if identity
            case new_monitor
            when true
              response = connection.monitor_instances(identity)
            when false
              response = connection.unmonitor_instances(identity)
            else
              raise ArgumentError.new("only Boolean allowed here")
            end
          end
          self.monitoring = new_monitor
        end