--- schema_version: "1" id: 1bb7cce24de577bc3c70c1da922cb99f4f6f9b2b02b4899d89f14d5b20a197ad title: Lightning Error Event Type collection: legacydeveloper version: current locale: en-us portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/object_reference/sforce_api_objects_eventlogfile_lightningerror.md canonical_url: https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_eventlogfile_lightningerror.htm source_site: developer.salesforce.com content_type: documentation content_hash: a10ec545d559b109d783e2f55047b8956b805ac1e38d0b37104c394f94bb94f4 description: Lightning Error events represent errors that occurred during user interactions with Lightning Experience and the Salesforce mobile app. This event type is available in the EventLogFile object in API version 39.0 and later. --- # Lightning Error Event Type Lightning Error events represent errors that occurred during user interactions with Lightning Experience and the Salesforce mobile app. This event type is available in the EventLogFile object in API version 39.0 and later. For details about event monitoring, see the [Trailhead Event Monitoring module](https://trailhead.salesforce.com/en/modules/event_monitoring/units/event_monitoring_intro "HTML (New Window)") or [REST API Developer’s Guide](https://developer.salesforce.com/docs/atlas.en-us.264.0.api_rest.meta/api_rest/using_resources_event_log_files.htm "HTML (New Window)"). ![Note](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/images/icon_note.png) #### Note Event Monitoring logs are a source of truth but are not durable. Data loss can occur during Salesforce site switches, instance refreshes, or unplanned outages. For more information, see [Using Event Monitoring](https://developer.salesforce.com/docs/atlas.en-us.264.0.api_rest.meta/api_rest/using_resources_event_log_files.htm "HTML (New Window)"). ## Fields | Field | Details | | --- | --- | | APP\_NAME | Type String Description The name of the application that the user accessed. | | BROWSER\_NAME | Type String Description The name of the browser that the user accessed. Example Chrome, Safari | | BROWSER\_VERSION | Type String Description The version of the browser that the user accessed in major.minor version format. Some browsers don’t provide a minor version. | | CLIENT\_GEO | Type String Description The geolocation of the client in the form of /. Example United States/California | | CLIENT\_ID | Type String Description The API client ID. | | CLIENT\_IP | Type String Description The IP address of the client that’s using Salesforce services. A Salesforce internal IP (such as a login from AppExchange) is shown as “Salesforce.com IP”. Example 96.43.144.26 | | COMPONENT\_NAME | Type String Description The internal name of the standard component that generated the error. The Salesforce developer assigned the name when the standard component was created. Example SaveEdit, Lead.CCPM\_sendSMS, ChangeOwnerOne | | CONNECTION\_TYPE | Type String Description The type of connection. Possible Values - CDMA1x - CDMA - EDGE - EVDO0 - EVDOA - EVDOB - GPRS - HRPD - HSDPA - HSUPA - LTE - WIFI | | DEVICE\_ID | Type String Description The unique identifier used to identify a device when tracking events. DEVICE\_ID is a generated value that’s created when the mobile app is initially run after installation. | | DEVICE\_MODEL | Type String Description The name of the device model. Example iPad, iPhone | | DEVICE\_PLATFORM | Type String Description The type of application experience in name:experience:form format. Possible Values - name: APP\_BUILDER, CUSTOM, S1, SFX - experience: BROWSER, HYBRID - form: DESKTOP, PHONE, TABLET | | DEVICE\_SESSION\_ID | Type Id Description The unique identifier of the user’s session based on page load time. If the user reloads a page, it starts a new session. Example 321a1ddfaf924803a075f1e69fc87bc06f53ccd0 | | EVENT\_TYPE | Type String Description The type of event. The value is always LightningError. | | LOGIN\_KEY | Type String Description The string that ties together all events in a user’s login session. It starts with a login event and ends with either a logout event or the user session expiring. Example GeJCsym5eyvtEK2I | | MESSAGE | Type String Description The error message generated. | | ORGANIZATION\_ID | Type String Description The 15-character ID of the org. Example 00D000000000123 | | OS\_NAME | Type String Description The operating system name, derived from USER\_AGENT. Example Android, iOS, OSX, Windows | | OS\_VERSION | Type String Description The operating system version, derived from USER\_AGENT. | | PAGE\_APP\_NAME | Type String Description The internal name of the application that the user accessed from the App Launcher. Example LightningSales | | PAGE\_CONTEXT | Type String Description Context of the page where the event occurred. Example clients:cardsContainer | | PAGE\_ENTITY\_ID | Type Id Description The unique entity identifier of the event. Example 0013000000I3zJAAAZ | | PAGE\_ENTITY\_TYPE | Type String Description The entity type of the event. Example Task, Account | | PAGE\_START\_TIME | Type Number Description The time when the page was initially loaded, measured in milliseconds. Example 1471564788642 | | PAGE\_URL | Type String Description Relative URL of the top-level Lightning Experience or Salesforce mobile app page that the user opened. The page can contain one or more Lightning components. Multiple record IDs can be associated with PAGE\_URL. Example /sObject/0064100000JXITSAA5/view | | REQUEST\_ID | Type String Description The unique ID of a single transaction. A transaction can contain one or more events. Each event in a given transaction has the same REQUEST\_ID. Example 3nWgxWbDKWWDIk0FKfF5DV | | SDK\_APP\_TYPE | Type String Description The mobile SDK application type. Possible Values - HYBRID - HYBRIDLOCAL - HYBRIDREMOTE - NATIVE - REACTNATIVE | | SDK\_APP\_VERSION | Type String Description The mobile SDK application version number. Example 5.0 | | SDK\_VERSION | Type String Description The mobile SDK version number. Example 2.1.0 | | SESSION\_KEY | Type String Description The user’s unique session ID. You can use this value to identify all events in Lightning Experience within a session. When a user logs out and logs in again, a new session is started. Example cdd09305cb6babf34059e27f70e47f1b11dec868 | | STACK\_TRACE | Type String Description The stack trace contains the location in the code where the error occurred along with the calling frames that led to the error. | | TIMESTAMP | Type String Description The access time of Salesforce services in GMT. Example 20130715233322.670 | | TIMESTAMP\_DERIVED | Type DateTime Description The access time of Salesforce services in ISO8601-compatible format (YYYY-MM-DDTHH:MM:SS.sssZ). Example 2015-07-27T11:32:59.555Z. The timezone is GMT. | | UI\_EVENT\_ID | Type String Description ID of the Lightning event type. Possible Values - ltng:error - ltng:interaction - ltng:pageView - ltng:performance | | UI\_EVENT\_SEQUENCE\_NUM | Type Number Description An auto-incremented sequence number of the current event since the session started. | | UI\_EVENT\_SOURCE | Type String Description The source of the error event. Examples Here are some examples of error flags returned in this field. - AuraError - Error - InvalidStateError - RangeError - ReferenceError - SecurityError - SyntaxError - TypeError - unknown | | UI\_EVENT\_TIMESTAMP | Type Number Description The time at which this event occurred, measured in milliseconds. Example 1479769912796 | | UI\_EVENT\_TYPE | Type String Description The type of error event. Example error, info, warn | | USER\_AGENT | Type String Description The numeric code for the type of client used to make the request (for example, browser, application, or API) as a string. | | USER\_ID | Type String Description The 15-character ID of the user accessing Salesforce services through the UI or API. Example 00530000009M943 | | USER\_ID\_DERIVED | Type Id Description The 18-character case-insensitive ID of the user who’s using Salesforce services through the UI or the API. Example 00590000000I1SNIA0 | | USER\_TYPE | Type String Description The category of user license of the user accessing Salesforce services through the UI or API. Possible Values - A: Automated Process - b: High Volume Portal - C: Customer Portal User - D: External Who - F: Self Service - G: Guest - L: Package License Manager - N: Salesforce to Salesforce - n: CSN Only - O: Power Custom - o: Custom - P: Partner - p: Customer Portal Manager - S: Standard - X: Salesforce Administrator | #### See Also - [EventLogFile Supported Event Types](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_eventlogfile_supportedeventtypes.htm "The EventType field in the EventLogFile object supports these events. Some common fields, such as CPU_TIME and RUN_TIME, can have null or zero values depending on how the events are generated for a given feature. Sometimes, three quotation marks appear around event data containing special characters in the CSV file. The third quotation mark is necessary for tools and applications to parse the field data at the correct field value boundary.") - [EventLogFile](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_eventlogfile.htm "Represents event log files generated by Event Monitoring. Use event log file data to analyze usage trends and user behavior in your Salesforce org. This object is available in API version 32.0 and later. The Interval and Sequence fields are available only in API version 37.0 and later.")