I need to do this because I create a custom taxonomy with the permalink is not possible to create a rule, but I need to get all my Post and than create a sitemap.
Tutorial
1. Create Function to add external sitemap, click hereAdd function |
2. Find wpseo-functions.php wordpress-seo\inc\wpseo-functions.php,
3. And paste like this + save , u can using this plugin to edit File Manager Author: mndpsingh287
Source:
https://wordpress.org/support/topic/plugin-wordpress-seo-by-yoast-include-subsites-in-main-blogs-sitemap-on-multisite-network/#post-2956484
https://wordpress.org/support/topic/add-custom-sitemap-in-sitemap-index/