code: public function addEntriesToBlacklist($id, $entries, $importName = null)
      {
          if ($importName == null) {
              $importName = "phpclient_import_" . uniqid();
          }
          $action = new AddEntriesAction();
          $action->importName = $importName;
          $action->entries = $entries;
          return $this->post("blacklists/" . $id . "/actions", $action->toXMLString());
      }
docs: Adds a number of expressions to a blacklist.
  
  @param integer $id
  the id of the blacklist to add the entries to
  @param string[] $entries
  the blacklist entries to add to the blacklist
  @param string $importName
  a unique name for the import that will be displayed in Maileon's web user interface. If this is null, a unique name will be generated.
  @return \em com_maileon_api_MaileonAPIResult
  the result object of the API call.
  @throws com_maileon_api_MaileonAPIException
  if there was a connection problem or a server error occurred