Piwik\Plugins\UsersManager\UsersManager::getCronArchiveTokenAuth PHP Method

    public function getCronArchiveTokenAuth(&$tokens)
    {
        $model = new Model();
        $superUsers = $model->getUsersHavingSuperUserAccess();
        foreach ($superUsers as $superUser) {
            $tokens[] = $superUser['token_auth'];
        }
    }