The path to an manifest file describing all of the asset bundles used in the build (optional).
When you call BuildPipeline.BuildAssetBundles to create your AssetBundles, Unity will also generate a manifest file with a filename matching the parent directory name and ".manifest" as its extension.
You can assign the path to this manifest file to assetBundleManifestPath to ensure that a player build does not strip any types used in the AssetBundles that you built.
You do not need to set this property when you use link.xml files, or if you generate AssetBundles using the Addressables package.
See Managed code stripping for more information about code stripping.