How Do I Change Sitemap.xml?

The sitemap.xml file is generated automatically for all published sites and is available at the URL: https://mysite.netlify.app/sitemap-index.xml. It contains all site pages.

But you can edit this file in the project settings:

Note: In Google Search Console, you must indicate the file name "sitemap-index.xml" (without the slash and the site address) when you add a sitemap.