<!-- AUTOGENERATED BY glean_parser.  DO NOT EDIT. -->

# Metrics
This document enumerates the metrics collected by this project.
This project may depend on other projects which also collect metrics.
This means you might have to go searching through the dependency tree to get a full picture of everything collected by this project.
Sorry about that.

# Pings

 - [activation](#activation)
 - [baseline](#baseline)
 - [events](#events)
 - [metrics](#metrics)


## activation
This ping is intended to provide a measure of the activation of mobile products. It's generated when Fenix starts, right after Glean is initialized. It doesn't include the client_id, since it might be reporting an hashed version of the Google Advertising ID.

The following metrics are added to the ping:

| Name | Type | Description | Data reviews | Extras | Expiration |
| --- | --- | --- | --- | --- | --- |
| activation.activation_id |[uuid](https://mozilla.github.io/glean/book/user/metrics/uuid.html) |An alternate identifier, not correlated with the client_id, generated once and only sent with the activation ping.  |[1](https://github.com/mozilla-mobile/fenix/pull/1707#issuecomment-486972209)||2019-10-01 |
| activation.identifier |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |A hashed and salted version of the Google Advertising ID from the device. This will never be sent in a ping that also contains the client_id.  |[1](https://github.com/mozilla-mobile/fenix/pull/1707#issuecomment-486972209)||2019-10-01 |

## baseline
This is a built-in ping that is assembled out of the box by the Glean SDK.
See the Glean SDK documentation for the [`baseline` ping](https://mozilla.github.io/glean/book/user/pings/baseline.html).
The following metrics are added to the ping:

| Name | Type | Description | Data reviews | Extras | Expiration |
| --- | --- | --- | --- | --- | --- |
| events.total_uri_count |[counter](https://mozilla.github.io/glean/book/user/metrics/counter.html) |A counter of URIs visited by the user in the current session, including page reloads. This does not include background page requests and URIs from embedded pages or private browsing.  |[1](https://github.com/mozilla-mobile/fenix/pull/1785)||2020-03-01 |
| metrics.search_count |[labeled_counter](https://mozilla.github.io/glean/book/user/metrics/labeled_counters.html) |The labels for this counter are `<search-engine-name>.<source>`. If the search engine is bundled with Fenix `search-engine-name` will be the name of the search engine. If it's a custom search engine (defined: https://github.com/mozilla-mobile/fenix/issues/1607) the value will be `custom`. `source` will either be `action` or `suggestion`  |[1](https://github.com/mozilla-mobile/fenix/pull/1677), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |

## events
This is a built-in ping that is assembled out of the box by the Glean SDK.
See the Glean SDK documentation for the [`events` ping](https://mozilla.github.io/glean/book/user/pings/events.html).
The following metrics are added to the ping:

| Name | Type | Description | Data reviews | Extras | Expiration |
| --- | --- | --- | --- | --- | --- |
| bookmarks_management.copied |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user copied a bookmark.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.edited |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user edited the title and/or URL of an existing bookmark.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.folder_add |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user added a new bookmark folder.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.folder_remove |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user removed a bookmark folder.  |[1](https://github.com/mozilla-mobile/fenix/pull/3724)||2020-03-01 |
| bookmarks_management.moved |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user moved an existing bookmark or folder to another folder.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.multi_removed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user removed multiple bookmarks at once.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.open_in_new_tab |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened a bookmark in a new tab.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.open_in_new_tabs |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened multiple bookmarks at once in new tabs.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.open_in_private_tab |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened a bookmark in a new private tab.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.open_in_private_tabs |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened multiple bookmarks at once in new private tabs.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.removed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user removed a bookmark item.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| bookmarks_management.shared |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user shared a bookmark.  |[1](https://github.com/mozilla-mobile/fenix/pull/1708)||2020-03-01 |
| collections.add_tab_button |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the "add tab" button in the three dot menu of collections  |[1](https://github.com/mozilla-mobile/fenix/pull/4358)||2020-03-01 |
| collections.all_tabs_restored |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped "open tabs" from collection menu  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.long_press |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user long pressed on a tab, triggering the collection creation screen  |[1](https://github.com/mozilla-mobile/fenix/pull/4358)||2020-03-01 |
| collections.removed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped delete collection from collection menu  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.rename_button |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "rename collection" button in the three dot menu  |[1](https://github.com/mozilla-mobile/fenix/pull/4539)||2020-03-01 |
| collections.renamed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user renamed a collection  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.save_button |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "save to collection" button on either the home or browser screen, triggering the collection creation screen to open (tab_select_opened)  |[1](https://github.com/mozilla-mobile/fenix/pull/4358)|<ul><li>from_screen: A string representing the screen from which the user pressed the save button. Currently one of: `browserMenu`, `homeMenu` or `home` </li></ul>|2020-03-01 |
| collections.saved |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user saved a list of tabs to a new collection  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)|<ul><li>tabs_open: The number of tabs open in the current session</li><li>tabs_selected: The number of tabs added to the collection</li></ul>|2020-03-01 |
| collections.shared |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped share collection  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.tab_removed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped remove tab from collection tab list  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.tab_restored |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user restored a tab from collection tab list  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.tab_select_opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the select tabs screen (the first step of the collection creation flow)  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)||2020-03-01 |
| collections.tabs_added |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user saved a list of tabs to an existing collection  |[1](https://github.com/mozilla-mobile/fenix/pull/3935)|<ul><li>tabs_open: The number of tabs open in the current session</li><li>tabs_selected: The number of tabs added to the collection</li></ul>|2020-03-01 |
| context_menu.item_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped an item in the browsers context menu  |[1](https://github.com/mozilla-mobile/fenix/pull/1344#issuecomment-479285010)|<ul><li>named: The name of the item that was tapped. Available items are ``` open_in_new_tab, open_in_private_tab, open_image_in_new_tab, save_image, share_link, copy_link, copy_image_location ``` </li></ul>|2020-03-01 |
| crash_reporter.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |The crash reporter was closed  |[1](https://github.com/mozilla-mobile/fenix/pull/1214#issue-264756708)|<ul><li>crash_submitted: A boolean that tells us whether or not the user submitted a crash report</li></ul>|2020-03-01 |
| crash_reporter.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |The crash reporter was displayed  |[1](https://github.com/mozilla-mobile/fenix/pull/1214#issue-264756708)||2020-03-01 |
| custom_tab.action_button |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the action button provided by the launching app  |[1](https://github.com/mozilla-mobile/fenix/pull/1697)||2020-03-01 |
| custom_tab.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed the custom tab  |[1](https://github.com/mozilla-mobile/fenix/pull/1697)||2020-03-01 |
| custom_tab.menu |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the custom tabs menu  |[1](https://github.com/mozilla-mobile/fenix/pull/1697)||2020-03-01 |
| error_page.visited_error |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user encountered an error page  |[1](https://github.com/mozilla-mobile/fenix/pull/2491#issuecomment-492414486)|<ul><li>error_type: The error type of the error page encountered</li></ul>|2020-03-01 |
| events.app_opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the app  |[1](https://github.com/mozilla-mobile/fenix/pull/1067#issuecomment-474598673)|<ul><li>source: The method used to open Fenix. Possible values are: `app_icon`, `custom_tab` or `link`</li></ul>|2020-03-01 |
| events.browser_menu_action |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A browser menu item was tapped  |[1](https://github.com/mozilla-mobile/fenix/pull/1214#issue-264756708), [2](https://github.com/mozilla-mobile/fenix/pull/5098#issuecomment-529658996)|<ul><li>item: A string containing the name of the item the user tapped. These items include: Settings, Library, Help, Desktop Site toggle on/off, Find in Page, New Tab, Private Tab, Share, Report Site Issue, Back/Forward button, Reload Button, Quit </li></ul>|2020-03-01 |
| events.entered_url |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user entered a url  |[1](https://github.com/mozilla-mobile/fenix/pull/1067#issuecomment-474598673)|<ul><li>autocomplete: A boolean that tells us whether the URL was autofilled by an Autocomplete suggestion</li></ul>|2020-03-01 |
| events.performed_search |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user performed a search  |[1](https://github.com/mozilla-mobile/fenix/pull/1067#issuecomment-474598673), [2](https://github.com/mozilla-mobile/fenix/pull/1677)|<ul><li>source: A string that tells us how the user performed the search. Possible values are: * default.action * default.suggestion * shortcut.action * shortcut.suggestion </li></ul>|2020-03-01 |
| events.preference_toggled |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user toggled a preference switch in settings  |[1](https://github.com/mozilla-mobile/fenix/pull/1896), [2](https://github.com/mozilla-mobile/fenix/pull/5704), [3](https://github.com/mozilla-mobile/fenix/pull/5886)|<ul><li>enabled: Whether or not the preference is *now* enabled</li><li>preference_key: The preference key for the switch preference the user toggled. We currently track: show_search_suggestions, remote_debugging, telemetry, tracking_protection, search_bookmarks, search_browsing_history, show_clipboard_suggestions, and show_search_shortcuts</li></ul>|2020-03-01 |
| events.search_bar_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the search bar  |[1](https://github.com/mozilla-mobile/fenix/pull/1067#issuecomment-474598673)|<ul><li>source: The view the user was on when they initiated the search (For example: `Home` or `Browser`)</li></ul>|2020-03-01 |
| events.whats_new_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the "what's new" page button  |[1](https://github.com/mozilla-mobile/fenix/pull/5090)|<ul><li>source: The location from which the user selected the what's new button. Either 'about' or 'home'</li></ul>|2020-03-01 |
| find_in_page.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed the find in page UI  |[1](https://github.com/mozilla-mobile/fenix/pull/1344#issuecomment-479285010)||2020-03-01 |
| find_in_page.next_result |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user clicked the "next result" button  |[1](https://github.com/mozilla-mobile/fenix/pull/1344#issuecomment-479285010)||2020-03-01 |
| find_in_page.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the find in page UI  |[1](https://github.com/mozilla-mobile/fenix/pull/1344#issuecomment-479285010)||2020-03-01 |
| find_in_page.previous_result |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user clicked the "previous result" button  |[1](https://github.com/mozilla-mobile/fenix/pull/1344#issuecomment-479285010)||2020-03-01 |
| find_in_page.searched_page |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user searched the page  |[1](https://github.com/mozilla-mobile/fenix/pull/1344#issuecomment-479285010)||2020-03-01 |
| history.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the history screen  |[1](https://github.com/mozilla-mobile/fenix/pull/3940)||2020-03-01 |
| history.opened_item |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened a history item  |[1](https://github.com/mozilla-mobile/fenix/pull/3940)||2020-03-01 |
| history.removed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user removed a history item  |[1](https://github.com/mozilla-mobile/fenix/pull/3940)||2020-03-01 |
| history.removed_all |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user removed all history items  |[1](https://github.com/mozilla-mobile/fenix/pull/3940)||2020-03-01 |
| history.shared |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user shared a history item  |[1](https://github.com/mozilla-mobile/fenix/pull/3940)||2020-03-01 |
| library.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed the library  |[1](https://github.com/mozilla-mobile/fenix/pull/2538#issuecomment-492830242)||2020-03-01 |
| library.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the library  |[1](https://github.com/mozilla-mobile/fenix/pull/2538#issuecomment-492830242)||2020-03-01 |
| library.selected_item |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user selected a library item  |[1](https://github.com/mozilla-mobile/fenix/pull/2538#issuecomment-492830242)|<ul><li>item: The library item the user selected</li></ul>|2020-03-01 |
| media_notification.pause |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the pause icon on the media notification  |[1](https://github.com/mozilla-mobile/fenix/pull/5520)||2020-03-01 |
| media_notification.play |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the play icon on the media notification  |[1](https://github.com/mozilla-mobile/fenix/pull/5520)||2020-03-01 |
| private_browsing_mode.garbage_icon |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the garbage can icon on the private browsing home page, deleting all private tabs.  |[1](https://github.com/mozilla-mobile/fenix/pull/4968)||2020-03-01 |
| private_browsing_mode.notification_delete |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the private browsing mode notification's "Delete and Open" button.  |[1](https://github.com/mozilla-mobile/fenix/pull/4968)||2020-03-01 |
| private_browsing_mode.notification_open |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the private browsing mode notification's "Open" button.  |[1](https://github.com/mozilla-mobile/fenix/pull/4968)||2020-03-01 |
| private_browsing_mode.notification_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the private browsing mode notification itself.  |[1](https://github.com/mozilla-mobile/fenix/pull/4968)||2020-03-01 |
| private_browsing_mode.snackbar_undo |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "undo" button in the snackbar that is shown when the garbage icon is tapped.  |[1](https://github.com/mozilla-mobile/fenix/pull/4968)||2020-03-01 |
| private_browsing_shortcut.cfr_add_shortcut |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "Add shortcut" button when the contextual feature recommender appeared.  |[1](https://github.com/mozilla-mobile/fenix/pull/5194)||2020-03-01 |
| private_browsing_shortcut.cfr_cancel |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "No thanks" button when the contextual feature recommender appeared.  |[1](https://github.com/mozilla-mobile/fenix/pull/5194)||2020-03-01 |
| private_browsing_shortcut.create_shortcut |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "Add private browsing shortcut" button in settings.  |[1](https://github.com/mozilla-mobile/fenix/pull/5194)||2020-03-01 |
| private_browsing_shortcut.pinned_shortcut_priv |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the pinned private shortcut in Android home screen, opening up a new private search.  |[1](https://github.com/mozilla-mobile/fenix/pull/5194)||2020-03-01 |
| private_browsing_shortcut.static_shortcut_priv |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the long-press shortcut "Open new private tab", opening up a new private search.  |[1](https://github.com/mozilla-mobile/fenix/pull/5194)||2020-03-01 |
| private_browsing_shortcut.static_shortcut_tab |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the long-press shortcut "Open new tab", opening up a new search.  |[1](https://github.com/mozilla-mobile/fenix/pull/5194)||2020-03-01 |
| qr_scanner.navigation_allowed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped "allow" on the prompt, directing the user to the website scanned  |[1](https://github.com/mozilla-mobile/fenix/pull/2524#issuecomment-492739967)||2020-03-01 |
| qr_scanner.navigation_denied |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped "deny" on the prompt, putting the user back to the scanning view  |[1](https://github.com/mozilla-mobile/fenix/pull/2524#issuecomment-492739967)||2020-03-01 |
| qr_scanner.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the QR scanner  |[1](https://github.com/mozilla-mobile/fenix/pull/2524#issuecomment-492739967)||2020-03-01 |
| qr_scanner.prompt_displayed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user scanned a QR code, causing a confirmation prompt to display asking if they want to navigate to the page  |[1](https://github.com/mozilla-mobile/fenix/pull/2524#issuecomment-492739967)||2020-03-01 |
| quick_action_sheet.bookmark_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the bookmark button  |[1](https://github.com/mozilla-mobile/fenix/pull/1362#issuecomment-479668466)||2020-03-01 |
| quick_action_sheet.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed the quick action sheet UI  |[1](https://github.com/mozilla-mobile/fenix/pull/1362#issuecomment-479668466)||2020-03-01 |
| quick_action_sheet.download_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the download button  |[1](https://github.com/mozilla-mobile/fenix/pull/1362#issuecomment-479668466)||2020-03-01 |
| quick_action_sheet.open_app_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the open in app button  |[1](https://github.com/mozilla-mobile/fenix/pull/4629)||2020-03-01 |
| quick_action_sheet.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the quick action sheet UI  |[1](https://github.com/mozilla-mobile/fenix/pull/1362#issuecomment-479668466)||2020-03-01 |
| quick_action_sheet.share_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the share button  |[1](https://github.com/mozilla-mobile/fenix/pull/1362#issuecomment-479668466)||2020-03-01 |
| reader_mode.appearance |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped the appearance button  |[1](https://github.com/mozilla-mobile/fenix/pull/3941)||2020-03-01 |
| reader_mode.available |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Reader mode is available for the current page  |[1](https://github.com/mozilla-mobile/fenix/pull/3941)||2020-03-01 |
| reader_mode.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed reader mode  |[1](https://github.com/mozilla-mobile/fenix/pull/4328)||2020-03-01 |
| reader_mode.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened reader mode  |[1](https://github.com/mozilla-mobile/fenix/pull/3941)||2020-03-01 |
| search_shortcuts.selected |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user selected a search shortcut engine to use  |[1](https://github.com/mozilla-mobile/fenix/pull/1202#issuecomment-476870449)|<ul><li>engine: The name of the built-in search engine the user selected as a string</li></ul>|2020-03-01 |
| search_widget.new_tab_button |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed anywhere from the Firefox logo until the start of the microphone icon, opening a new tab search screen.  |[1](https://github.com/mozilla-mobile/fenix/pull/4714)||2020-03-01 |
| search_widget.voice_button |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the microphone icon, opening a new voice search screen.  |[1](https://github.com/mozilla-mobile/fenix/pull/4714)||2020-03-01 |
| sync_account.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed the sync account page  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_account.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the sync account page  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_account.send_tab |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user sent the current tab to another FxA device  |[1](https://github.com/mozilla-mobile/fenix/pull/5106)||2020-03-01 |
| sync_account.sign_in_to_send_tab |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the "sign in to send tab" button inside the share tab menu  |[1](https://github.com/mozilla-mobile/fenix/pull/5106)||2020-03-01 |
| sync_account.sync_now |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the sync now button on the sync account page  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_auth.auto_login |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |User signed into FxA via an account shared from another locally installed Mozilla application (e.g. Fennec)  |[1](https://github.com/mozilla-mobile/fenix/pull/4931#issuecomment-529740300)||2020-03-01 |
| sync_auth.closed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user closed the sync page  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_auth.opened |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened the sync authentication page  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_auth.other_external |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |User authenticated via FxA using an unknown mechanism. "Known" mechanisms are currently sign-in, sign-up and pairing  |[1](https://github.com/mozilla-mobile/fenix/pull/4931#issuecomment-529740300)||2020-03-01 |
| sync_auth.paired |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |User signed into FxA by pairing with a different Firefox browser, using a QR code  |[1](https://github.com/mozilla-mobile/fenix/pull/4931#issuecomment-529740300)||2020-03-01 |
| sync_auth.recovered |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Account manager automatically recovered FxA authentication state without direct user involvement  |[1](https://github.com/mozilla-mobile/fenix/pull/4931#issuecomment-529740300)||2020-03-01 |
| sync_auth.scan_pairing |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the scan pairing button on the sync authentication page  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_auth.sign_in |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the sign in button on the sync authentication page and was successfully signed in to FxA  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_auth.sign_out |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the sign out button on the sync account page and was successfully signed out of FxA  |[1](https://github.com/mozilla-mobile/fenix/pull/2745#issuecomment-494918532)||2020-03-01 |
| sync_auth.sign_up |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |User registered a new Firefox Account, and was signed into it  |[1](https://github.com/mozilla-mobile/fenix/pull/4931#issuecomment-529740300)||2020-03-01 |
| tab.media_pause |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the pause icon on a tab from the home screen  |[1](https://github.com/mozilla-mobile/fenix/pull/5266)||2020-03-01 |
| tab.media_play |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the play icon on a tab from the home screen  |[1](https://github.com/mozilla-mobile/fenix/pull/5266)||2020-03-01 |
| tracking_protection.etp_setting_changed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user added a tracking protection exception through the TP toggle in the panel.  |[1](https://github.com/mozilla-mobile/fenix/pull/5414#issuecomment-532847188)|<ul><li>etp_setting: The new setting for ETP: strict, standard</li></ul>|2020-03-01 |
| tracking_protection.etp_settings |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened tracking protection settings through settings.  |[1](https://github.com/mozilla-mobile/fenix/pull/5414#issuecomment-532847188)||2020-03-01 |
| tracking_protection.etp_shield |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the tracking protection shield icon in toolbar.  |[1](https://github.com/mozilla-mobile/fenix/pull/5414#issuecomment-532847188)||2020-03-01 |
| tracking_protection.etp_tracker_list |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed into a list of categorized trackers in tracking protection panel.  |[1](https://github.com/mozilla-mobile/fenix/pull/5414#issuecomment-532847188)||2020-03-01 |
| tracking_protection.exception_added |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user added a tracking protection exception through the TP toggle in the panel.  |[1](https://github.com/mozilla-mobile/fenix/pull/5414#issuecomment-532847188)||2020-03-01 |
| tracking_protection.panel_settings |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened tracking protection settings from the panel.  |[1](https://github.com/mozilla-mobile/fenix/pull/5414#issuecomment-532847188)||2020-03-01 |

## metrics
This is a built-in ping that is assembled out of the box by the Glean SDK.
See the Glean SDK documentation for the [`metrics` ping](https://mozilla.github.io/glean/book/user/pings/metrics.html).
The following metrics are added to the ping:

| Name | Type | Description | Data reviews | Extras | Expiration |
| --- | --- | --- | --- | --- | --- |
| experiments.metrics.active_experiment |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |Records the branch name of the active experiment, if the client is enrolled in the `fenix-test-2019-08-05` experiment. This is intended to validate that the service-experiments library properly matches clients to experiments and can take action based on a multi-branched experiment. This is done by recording the experiment branch name in this string metric which allows the experiment to be transparent and unobtrusive to the user.  |[1](https://bugzilla.mozilla.org/show_bug.cgi?id=1543986#c4)||2019-11-01 |
| metrics.adjust_campaign |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |A string containing the Adjust campaign ID from which the user installed Fenix  |[1](https://github.com/mozilla-mobile/fenix/pull/5579)||2020-03-01 |
| metrics.default_browser |[boolean](https://mozilla.github.io/glean/book/user/metrics/boolean.html) |Is Fenix the default browser?  |[1](https://github.com/mozilla-mobile/fenix/pull/1067#issuecomment-474598673)||2020-03-01 |
| metrics.default_moz_browser |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |The name of the default browser on device if and only if it's a Mozilla owned product  |[1](https://github.com/mozilla-mobile/fenix/pull/1953/), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |
| metrics.mozilla_products |[string_list](https://mozilla.github.io/glean/book/user/metrics/string_list.html) |A list of all the Mozilla products installed on device. We currently scan for: Firefox, Firefox Beta,  Firefox Aurora, Firefox Nightly, Firefox Fdroid, Firefox Lite, Reference Browser, Reference Browser Debug,  Fenix, Focus, and Lockwise.  |[1](https://github.com/mozilla-mobile/fenix/pull/1953/), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |
| metrics.search_count |[labeled_counter](https://mozilla.github.io/glean/book/user/metrics/labeled_counters.html) |The labels for this counter are `<search-engine-name>.<source>`. If the search engine is bundled with Fenix `search-engine-name` will be the name of the search engine. If it's a custom search engine (defined: https://github.com/mozilla-mobile/fenix/issues/1607) the value will be `custom`. `source` will either be `action` or `suggestion`  |[1](https://github.com/mozilla-mobile/fenix/pull/1677), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |
| search.default_engine.code |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |If the search engine is pre-loaded with Fenix this value will be the search engine identifier. If it's a custom search engine (defined: https://github.com/mozilla-mobile/fenix/issues/1607) the value will be "custom"  |[1](https://github.com/mozilla-mobile/fenix/pull/1606), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |
| search.default_engine.name |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |If the search engine is pre-loaded with Fenix this value will be the search engine name. If it's a custom search engine (defined: https://github.com/mozilla-mobile/fenix/issues/1607) the value will be "custom"  |[1](https://github.com/mozilla-mobile/fenix/pull/1606), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |
| search.default_engine.submission_url |[string](https://mozilla.github.io/glean/book/user/metrics/string.html) |If the search engine is pre-loaded with Fenix this value will be he base URL we use to build the search query for the search engine. For example: https://mysearchengine.com/?query=%s. If it's a custom search engine (defined: https://github.com/mozilla-mobile/fenix/issues/1607) the value will be "custom"  |[1](https://github.com/mozilla-mobile/fenix/pull/1606), [2](https://github.com/mozilla-mobile/fenix/pull/5216)||2020-03-01 |


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