// Check if the item is part of a category.
var weapon = InventorySystemManager.GetItemCategory("Weapon");
var swordIsWeapon = weapon.InherentlyContains(sword);
// Similar function are available for Item Definition or even between categories.
var weaponIsWeapon = weapon.InherentlyContains(weapon);
var swordDefinitionIsWeapon = weapon.InherentlyContains(swordDefinition);