kid-control - does it work?

Hello,
can’t understand how kid-control works. please help
v6.43.1
using manual at https://wiki.mikrotik.com/wiki/Manual:Kid-control

/ip kid-control add name=def1 mon="" tue="" wed="" thu="" fri="" sat="" sun=""
/ip kid-control device add name=SamsungTV user=def1 mac-address=1C:5A:3E:AC:E1:12

it’s ok with configuration:

/ip kid-control print
Flags: X - disabled, P - paused, B - blocked, L - rate-limited
 #   NAME                                                                 SUN      MON      TUE      WED      THU      FRI      SAT
 0 B def1

/ip kid-control device print
Flags: X - disabled, D - dynamic, B - blocked, L - limited, I - inactive
 #    NAME                                    MAC-ADDRESS       USER                                    IDLE-TIME    RATE-DOWN   RATE-UP
 0 BI SamsungTV                               1C:5A:3E:AC:E1:12 def1

but there no anything in firewall settings (should be in the first lines)

/ip firewall filter print
Flags: X - disabled, I - invalid, D - dynamic
 0  D ;;; special dummy rule to show fasttrack counters
      chain=forward action=passthrough

 1    ;;; defconf: accept ICMP
      chain=input action=accept protocol=icmp

please help