code: def add_pool(arg, opts, shell_opts):
      
  
      p = Pool()
      p.name = opts.get('name')
      p.description = opts.get('description')
      p.default_type = opts.get('default-type')
      p.ipv4_default_prefix_length = opts.get('ipv4_default_prefix_length')
      p.ipv6_default_prefix_length = opts.get('ipv6_default_prefix_length')
  
      if 'tags' in opts:
          tags = list(csv.reader([opts.get('tags', '')], escapechar='\\'))[0]
          p.tags = {}
          for tag_name in tags:
              tag = Tag()
              tag.name = tag_name
              p.tags[tag_name] = tag
  
      for avp in opts.get('extra-attribute', []):
          try:
              key, value = avp.split('=', 1)
          except ValueError:
              print("ERROR: Incorrect extra-attribute: %s. Accepted form: 'key=value'\n" % avp, file=sys.stderr)
              return
          p.avps[key] = value
  
      try:
          p.save()
      except pynipap.NipapError as exc:
          print("Could not add pool to NIPAP: %s" % str(exc), file=sys.stderr)
          sys.exit(1)
  
      print("Pool '%s' created." % (p.name))
docs: Add a pool.