public function update($subAuthId, $name = null, $enabled = null)
    {
        $data = [
            'name' => $name,
            'enabled' => $enabled
        ];

        $response = $this->client->update(
            $this->uri . $subAuthId . '/',
            $data
        );

        $responseContents = $response->getContent();

        if(!array_key_exists("error",$responseContents)){
            return new ResponseUpdate(
                $responseContents['api_id'],
                $responseContents['message'],
                $response->getStatusCode()
            );
        } else {
            throw new PlivoResponseException(
                $responseContents['error'],
                0,
                null,
                $response->getContent(),
                $response->getStatusCode()

            );
        }
    }