In extension flarum-auth-facebook, file FacebookAuthController.php
$email = $owner->getEmail();
$username = preg_replace('/[^a-z0-9-_]/i', '', $owner->getName());
$user = User::where("email", $email)->first();
if($user){
$user->raise(new UserLoggedIn($user,""));
}
and i code
$events->listen(UserLoggedIn::class, function (UserLoggedIn $event) {
echo "UserLoggedIn";
var_dump($event->user);
});
but don't work.