Which GA4 fields actually go together?
Every dimension and metric, with its scope and what it combines with — so you stop hitting incompatible dimensions and metrics mid-report. seed catalog · scope-based
Dimensions 25
Date
dateTimeDay of weekdayOfWeekTimeHourhourTimeCountrycountryEventCitycityEventDevice categorydeviceCategoryEventOperating systemoperatingSystemEventBrowserbrowserEventLanguagelanguageEventSession default channel groupsessionDefaultChannelGroupSessionSession sourcesessionSourceSessionSession mediumsessionMediumSessionSession source / mediumsessionSourceMediumSessionSession campaignsessionCampaignNameSessionFirst user default channel groupfirstUserDefaultChannelGroupUserPage pathpagePathEventPage path + query stringpagePathPlusQueryStringEventPage titlepageTitleEventLanding pagelandingPageSessionHostnamehostNameEventEvent nameeventNameEventNew / returningnewVsReturningUserAudience nameaudienceNameUserCohortcohortCohortCohort nth daycohortNthDayCohortMetrics 17
Active users
activeUsersUserNew usersnewUsersUserTotal userstotalUsersUserSessionssessionsSessionEngaged sessionsengagedSessionsSessionEngagement rateengagementRateSessionAverage session durationaverageSessionDurationSessionBounce ratebounceRateSessionViewsscreenPageViewsEventViews per sessionscreenPageViewsPerSessionSessionEvent counteventCountEventEvent count per usereventCountPerUserUserConversionsconversionsEventKey eventskeyEventsEventUser engagementuserEngagementDurationEventTotal revenuetotalRevenueEventTransactionstransactionsEvent