Core Concepts

Important types and other concepts that you will often encounter in KubeJS.

Data Components (1.21+)Learn how additional data like enchantments, damage, etc. that can be attached to e.g. items works

IngredientItem Ingredients, a common input component in recipes.

ItemStackItem stacks, stacked items, items in a stack (sometimes with data, too)

NBT DataLearn how item stack data like enchantments, damage, etc. works (1.20 and below, replaced by components)