Google Cloud Dataprep Documentation Documentation as Parameter Name of the new column that is being generated. If the as parameter is not specified, a default name is used. 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 23, 2018.