code: def add_port_fwd(zone, src, dest, proto='tcp', dstaddr='', permanent=True):
      '''
      Add port forwarding.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' firewalld.add_port_fwd public 80 443 tcp
      '''
      cmd = '--zone={0} --add-forward-port=port={1}:proto={2}:toport={3}:toaddr={4}'.format(
          zone,
          src,
          proto,
          dest,
          dstaddr
      )
  
      if permanent:
          cmd += ' --permanent'
  
      return __firewall_cmd(cmdf add_port_fwd(zone, src, dest, proto='tcp', dstaddr='', permanent=True):
      '''
      Add port forwarding.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' firewalld.add_port_fwd public 80 443 tcp
      '''
      cmd = '--zone={0} --add-forward-port=port={1}:proto={2}:toport={3}:toaddr={4}'.format(
          zone,
          src,
          proto,
          dest,
          dstaddr
      )
  
      if permanent:
          cmd += ' --permanent'
  
      return __firewall_cmd(cmd)
docs: Add port forwarding.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' firewalld.add_port_fwd public 80 443 tcp