'AcyMailing', 'callback' => [$this, 'exportUserDataByEmail'], ]; return $exporters; } public function exportUserDataByEmail(string $emailAddress, int $page = 1): array { $userClass = new UserClass(); $user = $userClass->getOneByEmail($emailAddress); if (empty($user)) { return [ 'data' => [], 'done' => true, ]; } $userHelper = new UserHelper(); return [ 'data' => $userHelper->getUserData($user), 'done' => true, ]; } }