code: def add_port(zone, port, permanent=True):
      '''
      Allow specific ports in a zone.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' firewalld.add_port internal 443/tcp
      '''
      cmd = '--zone={0} --add-port={1}'.format(zone, port)
  
      if permanent:
          cmd += ' --permanent'
  
      return __firewall_cmd(cmdf add_port(zone, port, permanent=True):
      '''
      Allow specific ports in a zone.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' firewalld.add_port internal 443/tcp
      '''
      cmd = '--zone={0} --add-port={1}'.format(zone, port)
  
      if permanent:
          cmd += ' --permanent'
  
      return __firewall_cmd(cmd)
docs: Allow specific ports in a zone.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' firewalld.add_port internal 443/tcp