diff --git a/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt b/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt
index 7fbeb1e1f..15b59c1c8 100644
--- a/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt
+++ b/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt
@@ -36,6 +36,7 @@ private val Event.name: String?
         is Event.InteractWithSearchURLArea -> "E_Interact_With_Search_URL_Area"
         is Event.CollectionSaved -> "E_Collection_Created"
         is Event.CollectionTabRestored -> "E_Collection_Tab_Opened"
+        is Event.SyncAuthSignUp -> "E_FxA_New_Signup"
         is Event.SyncAuthSignIn -> "E_Sign_In_FxA"
         is Event.SyncAuthSignOut -> "E_Sign_Out_FxA"
         is Event.ClearedPrivateData -> "E_Cleared_Private_Data"
diff --git a/docs/mma.md b/docs/mma.md
index 14d8e2be7..de12f9208 100644
--- a/docs/mma.md
+++ b/docs/mma.md
@@ -215,7 +215,12 @@ Here is the list of current Events sent, which can be found here in the code bas
     <td>`E_Collection_Tab_Opened`</td>
     <td>The user opened a tab from a previously created collection</td>
     <td><a href="https://github.com/mozilla-mobile/fenix/pull/4626#issuecomment-519691332">#4626</a></td>
-  </tr> 
+  </tr>
+  <tr>
+    <td>`E_FxA_New_Signup`</td>
+    <td>The user completed the signup process to new FxA account</td>
+    <td><a href="https://github.com/mozilla-mobile/fenix/pull/4626#issuecomment-519691332">#4626</a></td>
+  </tr>
   <tr>
     <td>`E_Sign_In_FxA`</td>
     <td>The user successfully signed in to FxA</td>