Plugin Help [HELP .. again] get item name in hand

I want to check if the player right_click on air with an item named exemple: hi

Code:java

@EventHandler
    public void rightClickLoot(PlayerInteractEvent event){
        Player player = event.getPlayer();
        String name = "";
        name = itemMeta.getDisplayName();
        if(event.getAction() == Action.RIGHT_CLICK_AIR){
            Bukkit.broadcastMessage("bravo");
        }
    }

How can i do this ? I tried the player.getItemInHand() but no success ..