account->sip->credential_lists->get('CLXXX')->credentials->create( * "AwesomeUsername", "SuperSecretPassword", * ); * * :param string $username: the username for the new Credential object * :param string $password: the password for the new Credential object * :param array $params: a single array of parameters which is serialized and * sent directly to the Twilio API. */ public function create($username, $password, $params = array()) { return parent::_create(array( 'Username' => $username, 'Password' => $password, ) + $params); } }