local par = { }
local running = false

function startGiveaway()
    if running ~= true then
        running = true
        outputChatBox("Tell the players here, that the giveaway has started, the amount to win and how to participate", root, 255, 255, 255)
        setTimer(function ()
            local randomWinner = par[math.random(#par)]
            if randomWinner then
                outputChatBox(("%s has won!"):format(getPlayerName(randomWinner)), root, 255, 255, 255)
                givePlayerMoney(randomWinner, 0) -- change the 0 to an amount you like
                running = false
                for index, p in ipairs(par) do
                    table.remove(par, index)
                end
            end
        end, 0, 1) -- 0 = time in ms (1000 ms = 1 second); change the 0 to a value you like
    end
end

-- Server
addEventHandler("onResourceStart", resourceRoot,
function ()
    startGiveaway()
end)

addCommandHandler("par",
function (player, cmd)
    local money = getPlayerMoney(player)
    if money >= 500 then
        if not par[player] then
            par[player] = true
            takePlayerMoney(player, 500)
            outputChatBox("Inform the player here, that he is participating in the giveaway", player, 255, 255, 255)
        else
            outputChatBox("Inform the player here, that he is already participating", player, 255, 255, 255)
        end
    else
        outputChatBox("Tell the player here, that is money is not enough", player, 255, 255, 255)
    end
end)