Send feedback Cloud Firestore Documentation Documentation OperationType The type of index operation. Enums OPERATION_TYPE_UNSPECIFIED Unspecified. Never set by server. CREATING_INDEX The operation is creating the index. Initiated by a indexes.create call. Was this page helpful? Let us know how we did: Send feedback 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 November 18, 2017.