OpenSearch/docs/reference/ingest/processors/enrich.asciidoc

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[role="xpack"]
[testenv="basic"]
[[enrich-processor]]
=== Enrich Processor
The `enrich` processor can enrich documents with data from another index.
See <<ingest-enriching-data,enrich data>> section for more information how to set this up and
check out the <<ingest-enriching-data,tutorial>> to get familiar with enrich policies and related APIs.
[[enrich-options]]
.Enrich Options
[options="header"]
|======
| Name | Required | Default | Description
| `policy_name` | yes | - | The name of the enrich policy to use.
| `field` | yes | - | The field in the input document that matches the policies match_field used to retrieve the enrichment data.
| `target_field` | yes | - | The field that will be used for the enrichment data.
| `ignore_missing` | no | false | If `true` and `field` does not exist, the processor quietly exits without modifying the document
| `override` | no | true | If processor will update fields with pre-existing non-null-valued field. When set to `false`, such fields will not be touched.
| `max_matches` | no | 1 | The maximum number of matched documents to include under the configured target field. The `target_field` will be turned into a json array if `max_matches` is higher than 1, otherwise `target_field` will become a json object. In order to avoid documents getting too large, the maximum allowed value is 128.
| `shape_relation` | no | `INTERSECTS` | A spatial relation operator used to match the <<geo-shape,geo_shape>> of incoming documents to documents in the enrich index. This option is only used for `geo_match` enrich policy types. The <<spatial-strategy, geo_shape strategy>> mapping parameter determines which spatial relation operators are available. See <<_spatial_relations>> for operators and more information.
include::common-options.asciidoc[]
|======