Firebase Docs Reference Interface: BucketBuilder functions.storage.BucketBuilder interface static The Google Cloud Storage bucket builder interface. Access via functions.storage.bucket(). Method object object() returns functions.storage.ObjectBuilder Event handler which fires every time a Google Cloud Storage change occurs. Returns non-null functions.storage.ObjectBuilder Storage object builder interface scoped to the specified storage bucket. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated January 31, 2019.