This is an earlier version of the OpenSearch documentation. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.
rename_keys
Overview
The rename_keys processor renames keys in an event and is a mutate event processor. The following table describes the options you can use to configure the rename_keys processor.
| Option | Required | Type | Description |
|---|---|---|---|
| entries | Yes | List | List of entries. Valid values are from_key, to_key, and overwrite_if_key_exists. Renaming occurs in the order defined. |
| from_key | N/A | N/A | The key of the entry to be renamed. |
| to_key | N/A | N/A | The new key of the entry. |
| overwrite_if_to_key_exists | No | Boolean | If true, the existing value gets overwritten if to_key already exists in the event. |