/** * delete all users and users' attributes from recommender * */ public function clear(DataApi\Client $client) { if (!$this->config->isAppend()) { $client->deleteUsers(); $usersAttributes = $client->getUsersAttributes(); if (isset($usersAttributes['attributes'])) { foreach ($usersAttributes['attributes'] as $attribute) { $client->deleteUsersAttribute($attribute['name']); } } } return $this; }