metrics | array of string or SelectableOption | No | - | Fields to return (keyword is always included). Available: position, position_prev, position_diff, url, url_prev, traffic, traffic_prev, traffic_diff, volume, volume_desktop_pct, volume_mobile_pct, keyword_difficulty, cost_per_click (USD), clicks, clicks_per_search, country, location, language, tags, serp_features, serp_updated, parent_topic, target_positions_count, best_position_kind, best_position_has_thumbnail, best_position_has_video_preview, keyword_has_data, keyword_is_frozen, created_at, is_branded, is_commercial, is_informational, is_local, is_navigational, is_transactional, search_type_web, search_type_image, search_type_news, search_type_video. The *_prev and *_diff fields need date_compared. Defaults to position, url, traffic, volume, keyword_difficulty, serp_features, location, tags. |