--override the name of that function local myModdedFunctionToAddOptionToMetalWeldingMenu = function(subMenuMW, player) --add here your own options --see Build Roof mod for a full exemple link below end local myModdedMetalWeldingCallback = function(player, context, worldobjects, test) if test or not context then return end local buildMWOption = context:getOptionFromName(getText("ContextMenu_MetalWelding")) if not buildMWOption then return end local subMenuMW = context:getSubMenu(buildMWOption.subOption) if subMenuMW then myModdedFunctionToAddOptionToMetalWeldingMenu(subMenuMW, player)--override the name of that function end end Events.OnFillWorldObjectContextMenu.Add(myModdedMetalWeldingCallback);