スクリプトトリガー
has_unlocked_work_of_art_definition_trigger
定義in_game/common/scripted_triggers/country_triggers.txt:482
483custom_description = {
484text = has_unlocked_work_of_art_definition_trigger_text
485value = work_of_art_type:$type$
486has_variable = unlocked_work_of_art_definition_$type$
}