PlayerInteract

    @SuppressWarnings("deprecation")
    @EventHandler
    public void onPlayerInteractEvent(PlayerInteractEvent e) {
        final Player p = e.getPlayer();

        if(e.getAction() == Action.RIGHT_CLICK_AIR | e.getAction() == Action.RIGHT_CLICK_BLOCK) {

            ItemStack speed1 = new ItemStack(Material.WOOL, 1, DyeColor.GREEN.getData());
            ItemMeta meta1 = speed1.getItemMeta();
            meta1.setDisplayName("§aSpeed I (§o5 Sekunden§r§a)");
            speed1.setItemMeta(meta1);
            plugin.inv.setItem(1, speed1);

            if(e.getMaterial().equals(speed1)) {
                p.sendMessage("§Test");
            }

        }

    }