old_contents: in_chat_with_support = []
  @bot.message_handler(commands=['support'])
  def support(message):
    userid = message.from_user.id
    banlist = redisserver.sismember('zigzag_banlist', '{}'.format(userid))
    if banlist:
      return
    if message.from_user.id not in in_chat_with_support:
      bot.reply_to(message, JOINED_MESSENGER_MSG, parse_mode="HTML")
      in_chat_with_support.append(message.from_user.id)
    else:
      bot.reply_to(message, ALREADY_IN_MESSENGER_MSG, parse_mode="HTML")
  @bot.message_handler(commands=['leave'])
  def support(message):
    userid = message.from_user.id
    banlist = redisserver.sismember('zigzag_banlist', '{}'.format(userid))
    if banlist:
      return
    if message.from_user.id in in_chat_with_support:
      bot.reply_to(message, LEFT_MESSENGER_MSG, parse_mode="HTML")
      in_chat_with_support.remove(message.from_user.id)
    else:
      bot.reply_to(message, NOT_IN_MESSENGER_MSG, parse_mode="HTML")
  # MESSAGE HANDLING SYSTEM IN MESSAGE_HANDLER PLUGIN
  
new_contents: in_chat_with_support = []
  @bot.message_handler(commands=['support'])
  def support(message):
    userid = message.from_user.id
    banlist = redisserver.sismember('zigzag_banlist', '{}'.format(userid))
    if banlist:
      return
    if message.from_user.id not in in_chat_with_support:
      bot.reply_to(message, JOINED_MESSENGER_MSG, parse_mode="HTML")
      in_chat_with_support.append(message.from_user.id)
      bot.send_messagae("-" + str(SUPPORT_GP), "User " + str(message.from_user.id) + " - " + str(message.from_user.first_name) + str(message.from_user.first_name) + " joined the support chat!") 
    else:
      bot.reply_to(message, ALREADY_IN_MESSENGER_MSG, parse_mode="HTML")
  @bot.message_handler(commands=['leave'])
  def support(message):
    userid = message.from_user.id
    banlist = redisserver.sismember('zigzag_banlist', '{}'.format(userid))
    if banlist:
      return
    if message.from_user.id in in_chat_with_support:
      bot.reply_to(message, LEFT_MESSENGER_MSG, parse_mode="HTML")
      in_chat_with_support.remove(message.from_user.id)
      bot.send_messagae("-" + str(SUPPORT_GP), "User " + str(message.from_user.id) + " - " + str(message.from_user.first_name) + str(message.from_user.first_name) + " left the support chat.") 
    else:
      bot.reply_to(message, NOT_IN_MESSENGER_MSG, parse_mode="HTML")
  # MESSAGE HANDLING SYSTEM IN MESSAGE_HANDLER PLUGIN
  
subject: Update messenger.py