protected function getUsage() {
        if (!$this->_usage) {
            $this->_usage = new UsageList($this->version, $this->solution['sid']);
        }

        return $this->_usage;
    }
protected function getUsage() {
        if (!$this->_usage) {
            $this->_usage = new UsageList($this->version, $this->solution['sid']);
        }

        return $this->_usage;
    }
protected function getUsage ( ) { if ( ! $ this -> _usage ) { $ this -> _usage = new UsageList ( $ this -> version , $ this -> solution [ 'sid' ] ) ; } return $ this -> _usage ; }
Access the usage

@return \Twilio\Rest\Api\V2010\Account\UsageList
Access the usage