PPPoE mangle and Queue Tree

Hi all, i have a little configuration problem with my dynamics pppoe users, i cannot make work the queues trees, im not working with “pcq”, (is only pppoe with queue trees) i dont know what “parents” to use, any can helpme?

This is my configuration…


/ip firewall mangle
add chain=forward out-interface=CUST
action=mark-packet
new-packet-mark=customer_mark
add chain=forward in-interface=CUST
action=mark-packet
new-packet-mark=customer_mark