# performanceMetrics - admin-graphql - QUERY Version: unstable ## Description RUM (Real User Monitoring) performance metrics for a shop. ### Access Scopes ## Arguments * [aggregationLevel](/docs/api/admin-graphql/unstable/enums/PerformanceAggregationLevel): PerformanceAggregationLevel - Fetches RUM (Real User Monitoring) data for the specified aggregation level. * [deviceTypes](/docs/api/admin-graphql/unstable/enums/PerformanceDeviceType): PerformanceDeviceType - Fetches RUM (Real User Monitoring) data for the specified device type. * [maxDays](/docs/api/admin-graphql/unstable/scalars/Int): Int - Filters RUM (Real User Monitoring) data within the specified period. * [storefrontId](/docs/api/admin-graphql/unstable/scalars/String): String - Specifies the storefront to return RUM (Real User Monitoring) data for. Can be a Hydrogen storefront ID (e.g. `1234`) or `online_store` (defaults to `online_store`). ## Returns * [deviceType](/docs/api/admin-graphql/unstable/enums/PerformanceDeviceType): PerformanceDeviceType! Specifies the device type for which the RUM (Real User Monitoring) data is provided. * [metrics](/docs/api/admin-graphql/unstable/scalars/JSON): JSON! JSON blob with RUM (Real User Monitoring) data for a shop. ## Examples