events.listen('item.tags', (event) => {
    event.add('sophisticatedbackpacks:base_backpack', 'sophisticatedbackpacks:backpack');

    event.add('sophisticatedbackpacks:iron_backpack', 'sophisticatedbackpacks:iron_backpack');

    event.add('sophisticatedbackpacks:gold_backpack', 'sophisticatedbackpacks:gold_backpack');

    event.add('sophisticatedbackpacks:diamond_backpack', 'sophisticatedbackpacks:diamond_backpack');
});