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elasticsearch-js/docs/reference/api/IngestJoinProcessor.md
2025-05-28 10:02:30 -05:00

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# `IngestJoinProcessor` [interface-IngestJoinProcessor]
| Name | Type | Description |
| - | - | - |
| `field` | [Field](./Field.md) | Field containing array values to join. |
| `separator` | string | The separator character. |
| `target_field` | [Field](./Field.md) | The field to assign the joined value to. By default, the field is updated in-place. |