How to generate sitemap automatically when adding material in Drupal?

Question

Drupal

How to generate sitemap.xml automatically every time content is added in Drupal? Can this be done only selectively for certain types of materials?
The module https://www.drupal.org/project/xmlsitemap is used

Answer 1

In the settings there is:

Minimum sitemap lifetime
The minimum amount of time that will elapse before the sitemaps are regenerated. The sitemaps will also only be regenerated on cron if any links have been added, updated, or deleted.
Recommended value: @count day.

Answer 2

function modulename_node_insert() {
  module_load_include('generate.inc', 'xmlsitemap');
  xmlsitemap_run_unprogressive_batch('xmlsitemap_regenerate_batch');
}