protected function getVariables() {
        if (!$this->_variables) {
            $this->_variables = new VariableList(
                $this->version,
                $this->solution['serviceSid'],
                $this->solution['sid']
            );
        }

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

        return $this->_variables;
    }
protected function getVariables ( ) { if ( ! $ this -> _variables ) { $ this -> _variables = new VariableList ( $ this -> version , $ this -> solution [ 'serviceSid' ] , $ this -> solution [ 'sid' ] ) ; } return $ this -> _variables ; }
Access the variables

@return \Twilio\Rest\Serverless\V1\Service\Environment\VariableList
Access the variables