28 lines
920 B
Markdown
28 lines
920 B
Markdown
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---
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layout: default
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title: rename_keys
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parent: Processors
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grand_parent: Configuring Data Prepper
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nav_order: 44
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---
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# rename_keys
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## Overview
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Rename keys in an event. `rename_keys` is part of [mutate event](https://github.com/opensearch-project/data-prepper/tree/main/data-prepper-plugins/mutate-event-processors#mutate-event-processors) processors.
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Option | Required | Type | Description
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:--- | :--- | :--- | :---
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entries | Yes | List | List of entries. Valid values are `from_key`, `to_key`, and `overwrite_if_key_exists`. Renaming occurs in the order defined.
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from_key | N/A | N/A | The key of the entry to be renamed.
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to_key | N/A | N/A | The new key of the entry.
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overwrite_if_to_key_exists | No | Boolean | If true, the existing value gets overwritten if `to_key` already exists in the event.
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<!---## Configuration
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Content will be added to this section.
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## Metrics
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Content will be added to this section.--->
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