[Home](./index.md) > [@snowplow/browser-tracker](./browser-tracker.md) > [ActivityTrackingConfiguration](./browser-tracker.activitytrackingconfiguration.md) ## ActivityTrackingConfiguration interface The base configuration for activity tracking Signature: ```typescript interface ActivityTrackingConfiguration ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [activityMetrics?](./browser-tracker.activitytrackingconfiguration.activitymetrics.md) | boolean | (Optional) Enable activity metrics to attach an activity\_metrics entity to each page ping | | [heartbeatDelay](./browser-tracker.activitytrackingconfiguration.heartbeatdelay.md) | number | The interval at which the callback will be fired | | [minimumVisitLength](./browser-tracker.activitytrackingconfiguration.minimumvisitlength.md) | number | The minimum time that must have elapsed before first heartbeat |