Automatically captured data

BugSnag automatically captures a variety of data to help you debug your errors. You may wish to avoid capturing some types of data, particularly if there are privacy implications for your users.

Application information

Information about the application can be useful to identify if an error occurs in certain versions.

Data	Default value	Preventing collection
App version	The version of the application, as specified in app.json	Set appVersion in Configuration or modify app in a callback
Native bundle version	The version of the native ipa which is running (standalone iOS apps only)	Modify metadata in a callback
Bundle version	See Native bundle version	Modify metadata in a callback
Native version code	The version of the native apk which is running (standalone Android apps only)	Modify metadata in a callback
Version code	See Native version code	Modify metadata in a callback
Code bundle ID	The version of the JS bundle reported by Expo internally as revisionId (classic builds only)	Modify app in a callback¹.
Duration	How long since the app was started	Modify app in a callback.
Duration in foreground	How long since the app entered the foreground	Modify app in a callback.
In foreground	Whether the app was in the foreground when the error happened	Modify app in a callback.

¹ This ID is used to match source maps and if you remove it source maps will not work.

Device information

Information about the device can be useful to identify if an error is only occurring on some devices.

Data	Default value	Preventing collection
Device ID	The installationId reported by Expo	Modify device in acallback
Manufacturer	The device manufacturer	Modify device in a callback
Model name	The model name	Modify device in a callback
Model number	The model number²	Modify device in a callback
OS name	The name of the operating system	Modify device in a callback
OS version	The version of the operating system	Modify device in a callback
Orientation	The orientation of the device at the time of the error	Modify device in a callback
Runtime versions	The version numbers of the following (if available): Expo SDK, Expo client, React Native, Android API level	Modify device in a callback
Total memory	The total number of bytes of memory on the device	Modify device in a callback
Is device	Whether the app is running on a physical device or on a virtual device	Modify metadata in a callback

² iOS only

Breadcrumbs

Breadcrumbs are automatically recorded for common actions and can be helpful to reproduce errors.

Data	Default value	Preventing collection
Console message	The message sent to the console and its severity	Set enabledBreadcrumbTypes or modify/discard the breadcrumb in an onBreadcrumb callback
Network requests	The URL requested and the status code returned	Set enabledBreadcrumbTypes or modify/discard the breadcrumb in an onBreadcrumb callback
Orientation changes	The previous and current orientation of the device	Set enabledBreadcrumbTypes or modify/discard the breadcrumb in an onBreadcrumb callback
App state	Whether the device is in the foreground or the background	Set enabledBreadcrumbTypes or modify/discard the breadcrumb in an onBreadcrumb callback
Connectivity changes	The connection type and strength	Set enabledBreadcrumbTypes or modify/discard the breadcrumb in an onBreadcrumb callback

Error information

Modifying error information may affect error grouping.

Data	Default value	Preventing collection
Context	The pathname of the URL	Modify context in a callback
Error class	The class of the error that occurred	Modify errors[].errorClass in a callback
Error message	The message of the error that occurred	Modify errors[].errorMessage in a callback
Stack trace	The URL of the file where the error occurred, method and line number	Modify errors[].stacktrace in a callback