[[reference-indices-get_field_mapping]]

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||    This file is autogenerated, DO NOT send pull requests that changes this file directly.                             ||
||    You should update the script that does the generation, which can be found in:                                      ||
||    https://github.com/elastic/elastic-client-generator-js                                                             ||
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||    You can run the script with the following command:                                                                 ||
||       npm run elasticsearch -- --version <version>                                                                    ||
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[discrete]
=== client.indices.getFieldMapping

Get mapping definitions. Retrieves mapping definitions for one or more fields. For data streams, the API retrieves field mappings for the stream’s backing indices.

{ref}/indices-get-field-mapping.html[{es} documentation]

[discrete]
==== Function signature

[source,ts]
----
(IndicesGetFieldMappingRequest, options?): Promise<IndicesGetFieldMappingResponse>
----

[discrete]
===== `IndicesGetFieldMappingRequest`

[source,ts]
----
interface IndicesGetFieldMappingRequest extends <<shared-type-request-base, RequestBase>> {
  fields: <<shared-type-fields, Fields>>
  index?: <<shared-type-indices, Indices>>
  allow_no_indices?: boolean
  expand_wildcards?: <<shared-type-expand-wildcards, ExpandWildcards>>
  ignore_unavailable?: boolean
  include_defaults?: boolean
  local?: boolean
}
----

[discrete]
===== `IndicesGetFieldMappingResponse`

[source,ts]
----
type IndicesGetFieldMappingResponse = Record<<<shared-type-index-name, IndexName>>, IndicesGetFieldMappingTypeFieldMappings>
----