code: def do_asg(self,args):
          
          parser = CommandArgumentParser("asg")
          parser.add_argument(dest='asg',help='asg index or name');
          args = vars(parser.parse_args(args))
  
          print "loading auto scaling group {}".format(args['asg'])
          try:
              index = int(args['asg'])
              asgSummary = self.wrappedStack['resourcesByTypeIndex']['AWS::AutoScaling::AutoScalingGroup'][index]
          except:
              asgSummary = self.wrappedStack['resourcesByTypeName']['AWS::AutoScaling::AutoScalingGroup'][args['asg']]
  
          self.stackResource(asgSummary.stack_name,asgSummary.logical_id)
docs: Go to the specified auto scaling group. asg -h for detailed help