Video Sitemap settings are available under the Settings > XML Sitemaps > Media Sitemaps tab.
After enabling the Video Sitemap feature, the following options will become available. By default, the Sitemap will only include video from Content.
Enable Video Sitemap: Toggle this option to activate the Video Sitemap.
Video Sitemap URL: The URL where your Video Sitemap will be accessible. By default, it is set to video-sitemap.xml.
Preview your Image Sitemap: Provides a link to preview your Video Sitemap. For example, https://yousite.com/video-sitemap.xml.
Also, there are Image & Video Content Options to dictate the inclusion or exclusion of content for generating Image & Video Sitemaps: