need minor help simple queue script

RouterOS Scripting
1

below script find 1024 in all simple queues and change max-limit up/down speed as written below

/queue simple
set [find name~“1024 -*”] max-limit=256k/1M

but i want to change only upload speed and download speed remain unchange

/queue simple
set [find name~“1024 -*”] max-limit=256k/??

any ideas

sorry for my bad english

2

Try this :

/queue simple set [find name~“1024 -*”] max-limit=(“256k”)

3

thanks “ShayanFiroozi” it works perfect