Leash animal API ?

        @EventMethod
        public void onPlayerSpawn(PlayerSpawnEvent evt) {
            Player p=evt.getPlayer();
            
            // enable mouse listening, otherwise event PlayerMouseEvent don't fire.
            p.setListenForMouseInput(true);
        }
        
        @EventMethod
        public void onMouseButton(PlayerMouseButtonEvent event){
                Player player = event.getPlayer();
                //We only want to process mouse presses (ignore button releases)
                if(event.isPressed()){
                    if(event.getButton() == MouseButton.Left){
                        print ("Player %s press left mouse button button ... ",player.getName());
                        Inventory inv=player.getInventory();
                        Item item= inv.getItem(inv.getEquippedItemSlot() , SlotType.Quickslot) ;
                        if (item!=null) {
                            ItemDefinition def=item.getDefinition();
                            print("  Have a equiped item: %s ",def.name);
                            if ("rope".equals(def.name)) {
                                print("  Rope equiped and try to use left button - animal catch! Check condition and cancel event if required!");
                                // Here i don't know how to cancel mouse button ...
                            }
                        } else {
                            print("  Don't have equiped item!");
                        }
                    }
                }
            }