@ -55,6 +55,7 @@ In addition to those built-in metrics, the following metrics are added to the pi
| about_page.privacy_notice_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped on "Privacy notice" item from About page |[mozilla-mobile/fenix#8047](https://github.com/mozilla-mobile/fenix/pull/8047), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)||2021-07-01 |2 |
| about_page.privacy_notice_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped on "Privacy notice" item from About page |[mozilla-mobile/fenix#8047](https://github.com/mozilla-mobile/fenix/pull/8047), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)||2021-07-01 |2 |
| about_page.support_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped on "Support" item from About page |[mozilla-mobile/fenix#8047](https://github.com/mozilla-mobile/fenix/pull/8047), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)||2021-07-01 |2 |
| about_page.support_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped on "Support" item from About page |[mozilla-mobile/fenix#8047](https://github.com/mozilla-mobile/fenix/pull/8047), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)||2021-07-01 |2 |
| addons.open_addon_in_toolbar_menu |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user interacted with an installed add-on in the toolbar menu |[mozilla-mobile/fenix#8318](https://github.com/mozilla-mobile/fenix/pull/8318), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)|<ul><li>addon_id: The id of the add-on that was interacted with in the toolbar menu </li></ul>|2021-07-01 |2 |
| addons.open_addon_in_toolbar_menu |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user interacted with an installed add-on in the toolbar menu |[mozilla-mobile/fenix#8318](https://github.com/mozilla-mobile/fenix/pull/8318), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)|<ul><li>addon_id: The id of the add-on that was interacted with in the toolbar menu </li></ul>|2021-07-01 |2 |
| addons.open_addon_setting |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user opened an add-on's setting |[mozilla-mobile/fenix#18504](https://github.com/mozilla-mobile/fenix/pull/18504)|<ul><li>addon_id: The id of the add-on that was interacted with </li></ul>|2022-08-01 |2 |
| addons.open_addons_in_settings |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user accessed "Add-ons" from the Settings |[mozilla-mobile/fenix#8318](https://github.com/mozilla-mobile/fenix/pull/8318), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)||2021-07-01 |2 |
| addons.open_addons_in_settings |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user accessed "Add-ons" from the Settings |[mozilla-mobile/fenix#8318](https://github.com/mozilla-mobile/fenix/pull/8318), [mozilla-mobile/fenix#13958](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877), [mozilla-mobile/fenix#18143](https://github.com/mozilla-mobile/fenix/pull/18143)||2021-07-01 |2 |
| android_keystore_experiment.experiment_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Records an instance of an unexpected failure during the experiment |[mozilla-mobile/fenix#18333](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment, not caught by the other failure handlers. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.experiment_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Records an instance of an unexpected failure during the experiment |[mozilla-mobile/fenix#18333](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment, not caught by the other failure handlers. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.get_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Unexpected failure when trying to read from secure prefs. |[mozilla-mobile/fenix#18333](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.get_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Unexpected failure when trying to read from secure prefs. |[mozilla-mobile/fenix#18333](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment. </li></ul>|2021-09-01 |1 |