Ban skript

[OkayDang]

command /ban [<player>] [<text>]:
   permisison: ban.sk
   permission message: &cPermission Denied!
   trigger:
       if arg 1 isn't set:
         send "&b/ban (player) (reason)"
       if arg 1 is set:
         kick arg 1
         ban arg 1
         broadcast "&b%player% &fhas banned &b%arg 1% &ffrom ServerName"
         broadcast "&fReason: &c%arg 2%"

command /unban [<offline player>] [<text>]:
   permission: ban.sk
   permission message: &cPermission Denied!
   trigger:
       if arg 1 isn't set:
         send "&b/unban (player) (reason)"
       if arg 1 is set:
         broadcast "&b%player% &fhas unbanned &b%arg 1%"
         broadcast "&fReason: &c%arg 2%"

         #You can remove the [<text>] if you would like, you can change all of this i'm just doing this for fun

[AtomicVirus]

how do you make a ban for an amount of time?