protected function getFunctionVersions() {
        if (!$this->_functionVersions) {
            $this->_functionVersions = new FunctionVersionList(
                $this->version,
                $this->solution['serviceSid'],
                $this->solution['sid']
            );
        }

        return $this->_functionVersions;
    }
protected function getFunctionVersions() {
        if (!$this->_functionVersions) {
            $this->_functionVersions = new FunctionVersionList(
                $this->version,
                $this->solution['serviceSid'],
                $this->solution['sid']
            );
        }

        return $this->_functionVersions;
    }
protected function getFunctionVersions ( ) { if ( ! $ this -> _functionVersions ) { $ this -> _functionVersions = new FunctionVersionList ( $ this -> version , $ this -> solution [ 'serviceSid' ] , $ this -> solution [ 'sid' ] ) ; } return $ this -> _functionVersions ; }
Access the functionVersions

@return \Twilio\Rest\Serverless\V1\Service\TwilioFunction\FunctionVersionList
Access the functionVersions