protected function getAuth() {
        if (!$this->_auth) {
            $this->_auth = new AuthTypesList(
                $this->version,
                $this->solution['accountSid'],
                $this->solution['sid']
            );
        }

        return $this->_auth;
    }
protected function getAuth() {
        if (!$this->_auth) {
            $this->_auth = new AuthTypesList(
                $this->version,
                $this->solution['accountSid'],
                $this->solution['sid']
            );
        }

        return $this->_auth;
    }
protected function getAuth ( ) { if ( ! $ this -> _auth ) { $ this -> _auth = new AuthTypesList ( $ this -> version , $ this -> solution [ 'accountSid' ] , $ this -> solution [ 'sid' ] ) ; } return $ this -> _auth ; }
Access the auth

@return \Twilio\Rest\Api\V2010\Account\Sip\Domain\AuthTypesList
Access the auth