The allowed values are PAGE_CONSUMPTIONS, PAGE_CONSUMPTIONS_BY_CONSUMPTION_TYPE, PAGE_CONSUMPTIONS_BY_CONSUMPTION_TYPE_UNIQUE, PAGE_CONSUMPTIONS_UNIQUE, PAGE_ENGAGED_USERS, PAGE_FAN_ADDS, PAGE_FAN_ADDS_UNIQUE, PAGE_FAN_REMOVES, PAGE_FAN_REMOVES_UNIQUE, PAGE_FANS, PAGE_FANS_BY_LIKE_SOURCE, PAGE_FANS_BY_LIKE_SOURCE_UNIQUE, PAGE_FANS_BY_UNLIKE_SOURCE_UNIQUE, PAGE_FANS_CITY, PAGE_FANS_COUNTRY, PAGE_FANS_GENDER_AGE, PAGE_FANS_LOCALE, PAGE_FANS_ONLINE, PAGE_FANS_ONLINE_PER_DAY, PAGE_IMPRESSIONS, PAGE_IMPRESSIONS_BY_AGE_GENDER_UNIQUE, PAGE_IMPRESSIONS_BY_CITY_UNIQUE, PAGE_IMPRESSIONS_BY_COUNTRY_UNIQUE, PAGE_IMPRESSIONS_BY_LOCALE_UNIQUE, PAGE_IMPRESSIONS_BY_STORY_TYPE, PAGE_IMPRESSIONS_BY_STORY_TYPE_UNIQUE, PAGE_IMPRESSIONS_FREQUENCY_DISTRIBUTION, PAGE_IMPRESSIONS_ORGANIC, PAGE_IMPRESSIONS_ORGANIC_UNIQUE, PAGE_IMPRESSIONS_PAID, PAGE_IMPRESSIONS_PAID_UNIQUE, PAGE_IMPRESSIONS_UNIQUE, PAGE_IMPRESSIONS_VIRAL, PAGE_IMPRESSIONS_VIRAL_FREQUENCY_DISTRIBUTION, PAGE_IMPRESSIONS_VIRAL_UNIQUE, PAGE_NEGATIVE_FEEDBACK, PAGE_NEGATIVE_FEEDBACK_BY_TYPE, PAGE_NEGATIVE_FEEDBACK_BY_TYPE_UNIQUE, PAGE_NEGATIVE_FEEDBACK_UNIQUE, PAGE_PLACES_CHECKIN_MOBILE, PAGE_PLACES_CHECKIN_MOBILE_UNIQUE, PAGE_PLACES_CHECKIN_TOTAL, PAGE_PLACES_CHECKIN_TOTAL_UNIQUE, PAGE_PLACES_CHECKINS_BY_AGE_GENDER, PAGE_PLACES_CHECKINS_BY_COUNTRY, PAGE_PLACES_CHECKINS_BY_LOCALE, PAGE_POSITIVE_FEEDBACK_BY_TYPE, PAGE_POSITIVE_FEEDBACK_BY_TYPE_UNIQUE, PAGE_POSTS_IMPRESSIONS, PAGE_POSTS_IMPRESSIONS_FREQUENCY_DISTRIBUTION, PAGE_POSTS_IMPRESSIONS_ORGANIC, PAGE_POSTS_IMPRESSIONS_ORGANIC_UNIQUE, PAGE_POSTS_IMPRESSIONS_PAID, PAGE_POSTS_IMPRESSIONS_PAID_UNIQUE, PAGE_POSTS_IMPRESSIONS_UNIQUE, PAGE_POSTS_IMPRESSIONS_VIRAL, PAGE_POSTS_IMPRESSIONS_VIRAL_UNIQUE, PAGE_STORIES, PAGE_STORIES_BY_STORY_TYPE, PAGE_STORYTELLERS, PAGE_CONTENT_ACTIVITY_BY_AGE_GENDER_UNIQUE, PAGE_CONTENT_ACTIVITY_BY_CITY_UNIQUE, PAGE_CONTENT_ACTIVITY_BY_COUNTRY_UNIQUE, PAGE_CONTENT_ACTIVITY_BY_LOCALE_UNIQUE, PAGE_STORYTELLERS_BY_STORY_TYPE, PAGE_TAB_VIEWS_LOGIN_TOP, PAGE_TAB_VIEWS_LOGIN_TOP_UNIQUE, PAGE_TAB_VIEWS_LOGOUT_TOP, PAGE_VIDEO_COMPLETE_VIEWS_30S, PAGE_VIDEO_COMPLETE_VIEWS_30S_AUTOPLAYED, PAGE_VIDEO_COMPLETE_VIEWS_30S_CLICK_TO_PLAY, PAGE_VIDEO_COMPLETE_VIEWS_30S_ORGANIC, PAGE_VIDEO_COMPLETE_VIEWS_30S_PAID, PAGE_VIDEO_COMPLETE_VIEWS_30S_REPEAT_VIEWS, PAGE_VIDEO_COMPLETE_VIEWS_30S_UNIQUE, PAGE_VIDEO_REPEAT_VIEWS, PAGE_VIDEO_VIEW_TIME, PAGE_VIDEO_VIEWS, PAGE_VIDEO_VIEWS_AUTOPLAYED, PAGE_VIDEO_VIEWS_CLICK_TO_PLAY, PAGE_VIDEO_VIEWS_ORGANIC, PAGE_VIDEO_VIEWS_PAID, PAGE_VIDEO_VIEWS_UNIQUE, PAGE_VIEWS, PAGE_VIEWS_EXTERNAL_REFERRALS, PAGE_VIEWS_LOGIN, PAGE_VIEWS_LOGIN_UNIQUE, PAGE_VIEWS_LOGOUT, PAGE_VIEWS_UNIQUE, POST_CONSUMPTIONS, POST_CONSUMPTIONS_BY_TYPE, POST_CONSUMPTIONS_BY_TYPE_UNIQUE, POST_CONSUMPTIONS_UNIQUE, POST_ENGAGED_USERS, POST_IMPRESSIONS, POST_IMPRESSIONS_BY_STORY_TYPE, POST_IMPRESSIONS_BY_STORY_TYPE_UNIQUE, POST_IMPRESSIONS_FAN, POST_IMPRESSIONS_FAN_PAID, POST_IMPRESSIONS_FAN_PAID_UNIQUE, POST_IMPRESSIONS_FAN_UNIQUE, POST_IMPRESSIONS_ORGANIC, POST_IMPRESSIONS_ORGANIC_UNIQUE, POST_IMPRESSIONS_PAID, POST_IMPRESSIONS_PAID_UNIQUE, POST_IMPRESSIONS_UNIQUE, POST_IMPRESSIONS_VIRAL, POST_IMPRESSIONS_VIRAL_UNIQUE, POST_NEGATIVE_FEEDBACK, POST_NEGATIVE_FEEDBACK_BY_TYPE, POST_NEGATIVE_FEEDBACK_BY_TYPE_UNIQUE, POST_NEGATIVE_FEEDBACK_UNIQUE, POST_STORIES, POST_STORIES_BY_ACTION_TYPE, POST_STORYTELLERS, POST_STORYTELLERS_BY_ACTION_TYPE, POST_VIDEO_AVG_TIME_WATCHED, POST_VIDEO_COMPLETE_VIEWS_ORGANIC, POST_VIDEO_COMPLETE_VIEWS_ORGANIC_UNIQUE, POST_VIDEO_COMPLETE_VIEWS_PAID, POST_VIDEO_COMPLETE_VIEWS_PAID_UNIQUE, POST_VIDEO_RETENTION_GRAPH, POST_VIDEO_RETENTION_GRAPH_AUTOPLAYED, POST_VIDEO_RETENTION_GRAPH_CLICKED_TO_PLAY, POST_VIDEO_VIEW_TIME_BY_AGE_BUCKET_AND_GENDER, POST_VIDEO_VIEW_TIME_BY_COUNTRY_ID, POST_VIDEO_VIEW_TIME_BY_DISTRIBUTION_TYPE, POST_VIDEO_VIEW_TIME_BY_REGION_ID, POST_VIDEO_VIEWS_BY_DISTRIBUTION_TYPE, POST_VIDEO_VIEWS_ORGANIC, POST_VIDEO_VIEWS_ORGANIC_UNIQUE, POST_VIDEO_VIEWS_PAID, POST_VIDEO_VIEWS_PAID_UNIQUE.