[[reference-indices-put_template]]

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||        ██╔══██╗██╔══╝  ██╔══██║██║  ██║██║╚██╔╝██║██╔══╝                                                              ||
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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.putTemplate

Create or update an index template. Index templates define settings, mappings, and aliases that can be applied automatically to new indices.

{ref}/indices-templates-v1.html[{es} documentation]

[discrete]
==== Function signature

[source,ts]
----
(IndicesPutTemplateRequest, options?): Promise<IndicesPutTemplateResponse>
----

[discrete]
===== `IndicesPutTemplateRequest`

[source,ts]
----
interface IndicesPutTemplateRequest extends <<shared-type-request-base, RequestBase>> {
  name: <<shared-type-name, Name>>
  create?: boolean
  master_timeout?: <<shared-type-duration, Duration>>
  cause?: string
  aliases?: Record<<<shared-type-index-name, IndexName>>, IndicesAlias>
  index_patterns?: string | string[]
  mappings?: MappingTypeMapping
  order?: <<shared-type-integer, integer>>
  settings?: IndicesIndexSettings
  version?: <<shared-type-version-number, VersionNumber>>
}
----

[discrete]
===== `IndicesPutTemplateResponse`

[source,ts]
----
type IndicesPutTemplateResponse = <<shared-type-acknowledged-response-base, AcknowledgedResponseBase>>
----