A static event mods can use to tell other mods they changed tiles on a surface by script. This event is only raised if a mod does so with LuaBootstrap::raise_event or LuaBootstrap::raise_script_set_tiles, or when raise_event is passed to LuaSurface::set_tiles.
surface_index: uint32 — The surface whose tiles were changed.tiles: Array<Tile> — The tiles that were changed.name: defines.events — Identifier of the eventtick: uint32 — Tick the event was generated.