Amount
Compares the number of items in the stack with a number.
Armor Value
Compares the item's armor value with a number.
Durability
Compares the item's remaining durability with a number.
Empty
Checks whether there is no item at all.
Enchantable
Checks whether the item can be enchanted.
Enchantment
Compares the level of an enchantment on the item, or the number of enchantments it has, with a number.
Fireproof
Checks whether the item stack survives fire and lava.
Food
Checks whether the item is food.
Fuel
Compares how long the item burns as furnace fuel with a number.
Harvest Level
Compares the harvest level of the item's material with a number.
Has Power
Checks whether the item has a given power embedded in it.
Holder Condition
Tests an entity condition against whoever is holding the item.
Ingredient
Checks whether the item matches an ingredient: an item ID, an item tag or a custom ingredient.
Is Block
Passes when the item places a block.
Is Damageable
Checks whether the item has durability that can be used up.
Is Equippable
Checks whether the item can be equipped, optionally in a given slot.
Meat
Passes when the item is meat.
NBT
Checks whether the item's NBT contains the given data.
Power Count
Compares how many powers are embedded in the item with a number.
Relative Durability
Compares the item's durability, as a fraction of its maximum, with a number.
Relative Item Cooldown
Compares the item's cooldown as a fraction of its total.
Script
Passes when a script returns true for the item stack.
Send Condition
Asks an apoli:receive_condition power on the item's holder for the answer.
Smeltable
Checks whether the item can be smelted in a furnace.