sourceStorageObject property
The full Google Cloud Storage URI where the disk image is stored.
This file must be a gzip-compressed tarball whose name ends in .tar.gz or virtual machine disk whose name ends in vmdk. Valid URIs may start with gs:// or https://storage.googleapis.com/. This flag is not optimized for creating multiple disks from a source storage object. To create many disks from a source storage object, use gcloud compute images import instead.
Implementation
core.String? sourceStorageObject;