Delete entries in an event. `delete_entries` is part of [mutate event](https://github.com/opensearch-project/data-prepper/tree/main/data-prepper-plugins/mutate-event-processors#mutate-event-processors) processors.
Option | Required | Type | Description
:--- | :--- | :--- | :---
with_keys | Yes | List | An array of keys of the entries to be deleted.