dev/profile/events.md

+### PHP Events
+
+* `onQuiqqerFrontendUsersUserRegister` (`\QUI\Users\User` $User, `\QUI\FrontendUsers\RegistrarInterface` $Registrar, `string`)
+  * fires when a user successfully registers via frontend registrar, i.e. if the user is created in the system; this **does not** mean that the user is activated / able to log in at that point in time!
+* `onQuiqqerFrontendUsersUserActivate` (`\QUI\Users\User` $User, `\QUI\FrontendUsers\RegistrarInterface` $Registrar)
+  * fires **once** when a user account is activated that was registered via frontend registrar
+  * does not fire if the user is (re-)activated via backend
+  * not to be confused with `onUserActivate`!
+
+### JavaScript Events
+* `quiqqerFrontendUsersUserRegister` (int $userId, string $registrarHash, string $registrarType)
+  * fires when a user successfully registers via frontend registrar, i.e. if the user is created in the system; this **does not** mean that the user is activated / able to log in at that point in time!
+  * `$registrarType` is the PHP class of the respective registrar that was used
+* `quiqqerFrontendUsersUserActivate` (int $userId, string $registrarHash, string $registrarType)
+  * fires if the user is redirected to the registration page after successfully confirming their activation 
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