Factorio.com|Forums|Wiki|Mod Portal|API Docs

# Factorio Runtime Docs Version 2.0.77

# ModChangeData - Runtime Docs

## ModChangeData :: table

#### Table fields

old_version | :: string? | Old version of the mod. `nil` if the mod wasn't previously present (i.e. it was just added).
Old version of the mod. `nil` if the mod wasn't previously present (i.e. it was just added).
new_version | :: string? | New version of the mod. `nil` if the mod is no longer present (i.e. it was just removed).
New version of the mod. `nil` if the mod is no longer present (i.e. it was just removed).

Concept used in

- ConfigurationChangedData