WARNING: Version 6.1 of Elasticsearch has passed its EOL date.
This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
Document modification operations may no longer specify the
force to override any previous version checks.
created field has been removed in the Index API as in the
create bulk operations.
operation field should be used instead.