Starting today, Google Ads scripts supports the new asset-based video ads. This replaces the previous media-based video ads. If you have a script that creates new video ads, you must migrate your code by February 28, 2022 , or else your script will begin to fail with errors after that date. Media-based video ads will no longer be supported.the same change in Google Ads API v9 . Working with assets gives you greater flexibility and ease of use as they are building blocks for various ad types across networks.YouTubeVideoAssetBuilder . Once you've created an asset, you can use it when creating video ads of various types .forum . - Mike Cloonan, Google Ads Scripts Team