'Used to retain Compute Engine resource usage, storing the CSV data in
a Google Cloud Storage bucket. See the
`docs <https://cloud.google.com/compute/docs/usage-export>`_ for more
information. Please ensure you have followed the necessary setup steps
prior to enabling this feature (e.g. bucket exists, ACLs are in place,
etc.)
:param  bucket: Name of the Google Cloud Storage bucket. Specify the
name in either \'gs://<bucket_name>\' or the full URL
\'https://storage.googleapis.com/<bucket_name>\'.
:type   bucket: ``str``
:param  prefix: Optional prefix string for all reports.
:type   prefix: ``str`` or ``None``
:return: True if successful
:rtype:  ``bool``'

def set_usage_export_bucket(self, bucket, prefix=None):

    return self.driver.ex_set_usage_export_bucket(self, bucket, prefix)
