The prototype docs have moved to a new website with an improved format. This documentation page can now be found here: https://lua-api.factorio.com/latest/prototypes/ItemGroup.html
This wiki page is no longer updated and will be removed at some point in the future, so please update your browser bookmarks or other links that sent you here. If you'd like to contribute to the new docs, you can leave your feedback on the forums.
An item group. Item groups are shown above the list of craftable items in the player's inventory. The built-in groups are "logistics", "production", "intermediate-products" and "combat" but mods can define their own. Only 255 instances of this prototype may be defined.
|Prototype/ItemGroup — |
|icons, icon, icon_size (IconSpecification)||::||IconSpecification|
|Inherited from PrototypeBase|
Inherits all properties from PrototypeBase.
icons, icon, icon_size (IconSpecification)
The icon that is shown to represent this item group.
order of this item group.
Item ingredients in recipes are ordered by item group. The
order_in_recipe property can be used to specify the ordering in recipes without affecting the inventory order.