-builar.lua-

local cars = {"adder"}
RegisterCommand("car", function()

    local car = (car[math.random(#cars)])
    spawncar(car)
    notify("~p~Spawned car: ~h~~g~" .. car)
end)

-functions.lua-

function notify(msg)
    SetNotificationTextEntry("STRING")
    AddTextComponentString(msg)
    DrawNotification(true,false)
end

function spawncar(car)
    local car = GetHashKey(car)

    RequestModel(car)
    while not hasModelloaded(car) do
        RequestModel(car)
        Citizen.Wait(0)
    end

    local x,y,z = table.unpack(GetEntityCoords(GetPlayerPed(-1), fasle))
    local vehicle = CreateVehicle(car, x +3, y + 3, z + 1, 0.0, true, false)
    SetEntityAsMissionEntity(vehicle, true, true)
end