#Limit Upload and Download bytes
{
   :local user1 [/queue simple get value-name=bytes [/queue simple find comment="majid-barakati"]]
   :local userdownload [:pick $user1 ([:find $user1 "/" 0]+1) 200]
   :if ($userdownload>1073741823) do={/ip firewall filter enable [find comment="majid-barakati"]}
}

#Reset Counters
  /queue simple reset-counters-all
  /ip firewall filter disable [find comment="majid-barakati"]