reportNamePrefix property
An optional prefix for the name of the usage report object stored in bucketName.
If not supplied, defaults to usage_gce. The report is stored as a CSV file named report_name_prefix_gce_YYYYMMDD.csv where YYYYMMDD is the day of the usage according to Pacific Time. If you supply a prefix, it should conform to Cloud Storage object naming conventions.
Implementation
core.String? reportNamePrefix;