Is it possible to get an existing variable by its name? Something like: model = CpModel() model.new_bool_var("mySuperBoolVar") # ...many lines later... bv = model.get_bool_var_by_name("mySuperBoolVar") Obviously, get_bool_var_by_name() doesn't exist. There's only model.get_bool_var_from_proto_index(), but I have no idea what does it do... Continue reading...