public function Update($listName, $newListName = null, $allowUnsubscribe = false) {
        return $this->sendRequest('list/update', array(
                    'listName' => $listName,
                    'newListName' => $newListName,
                    'allowUnsubscribe' => $allowUnsubscribe
        ));
    }
public function Update($listName, $newListName = null, $allowUnsubscribe = false) {
        return $this->sendRequest('list/update', array(
                    'listName' => $listName,
                    'newListName' => $newListName,
                    'allowUnsubscribe' => $allowUnsubscribe
        ));
    }
public function Update ( $ listName , $ newListName = null , $ allowUnsubscribe = false ) { return $ this -> sendRequest ( 'list/update' , array ( 'listName' => $ listName , 'newListName' => $ newListName , 'allowUnsubscribe' => $ allowUnsubscribe ) ) ; }
Update existing list
@param string $apikey ApiKey that gives you access to our SMTP and HTTP API's.
@param string $listName Name of your list.
@param string $newListName Name of your list if you want to change it.
@param bool $allowUnsubscribe True: Allow unsubscribing from this list. Otherwise, false
Update existing list