options:
    rewardReq: 1, 5, 10, 15, 20 and 25
    rewards: 10, 1 diamond, 50, 5 diamonds, 150, 1 emerald and 500

function checkKS(p: player):
    set {_uuid} to {_p}'s uuid
    set {_rewardReq::*} to {@rewardReq}
    set {_rewards::*} to {@rewards}
    loop {_rewardReq::*}:
        {killStreak::%{_uuid}%} = loop-value
        broadcast "%{_p}% has been awarded with %{_rewards::%loop-index%}%"
        {_rewards::%loop-index%} is a number:
            add {_rewards::%loop-index%} to {_p}'s balance
        else:
            give {_rewards::%loop-index%} to {_p}
        stop

on death of player:
    clear {killStreak::%victim's uuid%}
    attacker is a player
    add 1 to {killStreak::%attacker's uuid%}
    checkKS(attacker)

command killstreak [<offlineplayer>]:
    trigger:
        arg-1 is not set:
            {killStreak::%player's uuid%} is set:
                send "Your current Kill Streak is %{killStreak::%player's uuid%}%"
            else:
                send "Your current Kill Streak is 0"
        else:
            {killStreak::%arg-1's uuid%} is set:
                send "%arg-1%'s current Kill Streak is %{killStreak::%arg-1's uuid%}%"
            else:
                send "%arg-1%'s current Kill Streak is 0"