Factorio Forums

Posted: **Thu Aug 06, 2026 3:31 pm**

The newly added [UndoRedoEquipment](https://lua-api.factorio.com/latest/con ... pment.html) has property settings of type PropertyTree, which is not declared or referenced anywhere else in the API docs.

Posted: **Mon Aug 31, 2026 3:33 pm**

Thanks for the note, fixed the type and documented it for the next doc release:

[2.1.13] UndoRedoEquipment references nonexistent PropertyTree