@ -201,6 +201,7 @@ In addition to those built-in metrics, the following metrics are added to the pi
| 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 |[mozilla-mobile/fenix#4931](https://github.com/mozilla-mobile/fenix/pull/4931#issuecomment-529740300), [mozilla-mobile/fenix#15713](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |1, 2 |
| sync_auth.use_email |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user chose to use their email to sign in instead of scanning a QR code, counterpart to "scan_pairing" |[mozilla-mobile/fenix#9835](https://github.com/mozilla-mobile/fenix/pull/9835#pullrequestreview-398641844), [mozilla-mobile/fenix#15713](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
| sync_auth.use_email_problem |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user chose to use their email to sign in after an account problem |[mozilla-mobile/fenix#9835](https://github.com/mozilla-mobile/fenix/pull/9835#pullrequestreview-398641844), [mozilla-mobile/fenix#15713](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
| synced_tabs.synced_tabs_suggestion_clicked |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |The synced tab suggestion in awesomebar was clicked. |[mozilla-mobile/fenix#18172](https://github.com/mozilla-mobile/fenix/pull/18172)||2021-08-01 |2 |
| 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 |[mozilla-mobile/fenix#5266](https://github.com/mozilla-mobile/fenix/pull/5266), [mozilla-mobile/fenix#15713](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
| 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 |[mozilla-mobile/fenix#5266](https://github.com/mozilla-mobile/fenix/pull/5266), [mozilla-mobile/fenix#15713](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |