| Timestamp | timestamp | core | timestamp | Time the event was recorded. Applies to: all. |
| Event Type | @type | event_attribute | string | Type of event (session, view, action). Applies to: all. |
| Application ID | @application.id | event_attribute | string | Unique identifier for the application. Applies to: all. |
| Application Name | @application.name | event_attribute | string | Name of the application (e.g., my-web-app). Applies to: all. |
| Session ID | @session.id | event_attribute | string | Unique identifier for the user session. Applies to: all. |
| Session Type | @session.type | event_attribute | string | Type of session (user, synthetics). Applies to: all. |
| Session Active | @session.is_active | event_attribute | bool | Whether the session is currently active. Applies to: session. |
| Session Time Spent | @session.time_spent | event_attribute | int64 | Total time spent in the session in nanoseconds. Applies to: session. |
| Session View Count | @session.view.count | event_attribute | int64 | Number of page views in the session. Applies to: session. |
| Session Action Count | @session.action.count | event_attribute | int64 | Number of user actions in the session. Applies to: session. |
| Session Error Count | @session.error.count | event_attribute | int64 | Number of errors in the session. Applies to: session. |
| Session Frustration Count | @session.frustration.count | event_attribute | int64 | Number of frustration signals in the session. Applies to: session. |
| Session Referrer | @session.referrer | event_attribute | string | Referrer URL that led to the session. Applies to: session. |
| Landing Page Path | @session.initial_view.url_path | event_attribute | string | Path of the first page viewed in the session. Applies to: session. |
| Exit Page Path | @session.last_view.url_path | event_attribute | string | Path of the last page viewed in the session. Applies to: session. |
| View ID | @view.id | event_attribute | string | Unique identifier for the page view. Applies to: view, action. |
| View URL | @view.url | event_attribute | string | Full URL of the page. Applies to: view, action. |
| View URL Host | @view.url_host | event_attribute | string | Host portion of the view URL. Applies to: view, action. |
| View URL Path | @view.url_path | event_attribute | string | Path portion of the view URL. Applies to: view, action. |
| View URL Path Group | @view.url_path_group | event_attribute | string | Parameterized path group for grouping similar pages. Applies to: view, action. |
| View Name | @view.name | event_attribute | string | User-friendly name for the page/view. Applies to: view, action. |
| View Time Spent | @view.time_spent | event_attribute | int64 | Time spent on the page in nanoseconds. Applies to: view. |
| View Action Count | @view.action.count | event_attribute | int64 | Number of user actions on the page. Applies to: view. |
| View Error Count | @view.error.count | event_attribute | int64 | Number of errors on the page. Applies to: view. |
| View Frustration Count | @view.frustration.count | event_attribute | int64 | Number of frustration signals on the page. Applies to: view. |
| Action ID | @action.id | event_attribute | string | Unique identifier for the user action. Applies to: action. |
| Action Type | @action.type | event_attribute | string | Type of action (click, tap, scroll, custom). Applies to: action. |
| Action Name | @action.name | event_attribute | string | User-friendly name for the action (e.g., 'Add to Cart', 'Submit Form'). Applies to: action. |
| Action Target | @action.target.name | event_attribute | string | Name or identifier of the target element. Applies to: action. |
| Action Loading Time | @action.loading_time | event_attribute | int64 | Time to complete the action in nanoseconds. Applies to: action. |
| Frustration Type | @action.frustration.type | event_attribute | string | Type of frustration signal (dead_click, rage_click, error_click). Applies to: action. |
| User ID | @usr.id | event_attribute | string | Unique identifier for the user. Applies to: all. |
| User Email | @usr.email | event_attribute | string | Email address of the user. Applies to: all. |
| User Name | @usr.name | event_attribute | string | Display name of the user. Applies to: all. |
| Device Type | @device.type | event_attribute | string | Type of device (desktop, mobile, tablet). Applies to: all. |
| Device Brand | @device.brand | event_attribute | string | Brand of the device (e.g., Apple, Samsung). Applies to: all. |
| Device Model | @device.model | event_attribute | string | Model of the device. Applies to: all. |
| OS Name | @os.name | event_attribute | string | Operating system name (e.g., iOS, Android, Windows). Applies to: all. |
| OS Version | @os.version | event_attribute | string | Operating system version. Applies to: all. |
| Browser Name | @browser.name | event_attribute | string | Browser name (e.g., Chrome, Safari, Firefox). Applies to: all. |
| Browser Version | @browser.version | event_attribute | string | Browser version. Applies to: all. |
| Country | @geo.country | event_attribute | string | Country name from geo IP lookup. Applies to: all. |
| Country ISO Code | @geo.country_iso_code | event_attribute | string | ISO country code from geo IP lookup. Applies to: all. |
| City | @geo.city | event_attribute | string | City name from geo IP lookup. Applies to: all. |
| Continent | @geo.continent | event_attribute | string | Continent name from geo IP lookup. Applies to: all. |
| Region | @geo.region | event_attribute | string | Region or state name from geo IP lookup. Applies to: all. |
| Page Referrer | @view.referrer | event_attribute | string | Referrer URL for the page view. Applies to: view. |
| UTM Source | @session.referrer_utm_source | event_attribute | string | UTM source parameter from the referrer. Applies to: session. |