elasticsearch/docs/reference/enrich-processor/rename-processor.md

navigation_title	mapped_pages
Rename	https://www.elastic.co/guide/en/elasticsearch/reference/current/rename-processor.html

Rename processor [rename-processor]

Renames an existing field. If the field doesn’t exist or the new name is already used, an exception will be thrown.

$rename-options

Name	Required	Default	Description
field	yes	-	The field to be renamed. Supports template snippets.
target_field	yes	-	The new name of the field. Supports template snippets.
ignore_missing	no	false	If true and field does not exist, the processor quietly exits without modifying the document.
override	no	false	If true, the processor will update pre-existing non-null-valued fields. When set to false, such fields will not be touched.
description	no	-	Description of the processor. Useful for describing the purpose of the processor or its configuration.
if	no	-	Conditionally execute the processor. See Conditionally run a processor.
ignore_failure	no	false	Ignore failures for the processor. See Handling pipeline failures.
on_failure	no	-	Handle failures for the processor. See Handling pipeline failures.
tag	no	-	Identifier for the processor. Useful for debugging and metrics.

{
  "rename": {
    "field": "provider",
    "target_field": "cloud.provider"
  }
}