function spawnVehiclePack ( player, commandName)
  local accName = getAccountName (getPlayerAccount (player))
     if isObjectInACLGroup ("user."..accName, aclGetGroup ( "Admin" ) ) then
        if hasObjectPermissionTo(player, "command.svp", false) then
        -- Your code here
        else
        -- Your code here
        end
    else
    -- Your code here
    end
end
addCommandHandler("svp",spawnVehiclePack) 

function spawnVehiclePack ( player, commandName)
  local accName = getAccountName (getPlayerAccount (player))
     if isObjectInACLGroup ("user."..accName, aclGetGroup ( "Admin" ) ) then
        if hasObjectPermissionTo(player, "command.svp", false) then
        createVehicle(id_pojazdu, xyz)
        createVehicle(id_pojazdu, xyz)
        else
outputChatBox(player, "Nie masz uprawnie?!", getRootElement())
end
addCommandHandler("svp",spawnVehiclePack) 

wndCreateVehicle = {
    'wnd',
    text = 'Create vehicle',
    width = 300,
    controls = {
        {
            'lst',
            id='vehicles',
            width=280,
            height=340,
            columns={
                {text='Vehicle', attr='name'}
            },
            rows={xml='vehicles.xml', attrs={'id', 'name'}},
            onitemdoubleclick=createSelectedVehicle
        },
        {'btn', id='create', onclick=createSelectedVehicle},
        {'btn', id='close', closeswindow=true}
    }
}

function createVehicleCommand(cmd, ...)
    local vehID
    local vehiclesToCreate = {}
    local args = { ... }
    for i,v in ipairs(args) do
        vehID = tonumber(v)
        if not vehID then
            vehID = getVehicleModelFromName(v)
        end
        if vehID then
            table.insert(vehiclesToCreate, math.floor(vehID))
        end
    end
    server.giveMeVehicles(vehiclesToCreate)
end
addCommandHandler('svp', createVehicleCommand)