By activating this button, it allows you to generate sitemap for all the media files uploaded via rtMedia plugin.
This is for maximum number of entries per sitemap page.
This link will redirect you to install yoast SEO or activate yoast Sitemap feature. If you want to create/handle sitemap automatically by yoast SEO plugin.
If Yoast SEO plugin not installed or used on your site, this link will automatically manage to create sitemap for media files.
If you are using Yoast SEO plugin, sitemap for media files can be found under plugin settings.
When generating media sitemap manually, this will generate sitemap for media type allow upload under types tab of rtMedia setting.
Sitemap index file which contains sitemaps of media type.
sitemap file for photos, rtmedia-photo-sitemap1.xml
To generate sitemap using yoast, click on
xml sitemap button after configuring your yoast settings.
this will generate sitemap index file, including sitemap for media uploaded via rtmedia plugin.