[[reference-bulk]]

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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.bulk

Bulk index or delete documents. Performs multiple indexing or delete operations in a single API call. This reduces overhead and can greatly increase indexing speed.

{ref}/docs-bulk.html[{es} documentation]

[discrete]
==== Function signature

[source,ts]
----
(BulkRequest, options?): Promise<BulkResponse>
----

[discrete]
===== `BulkRequest`

[source,ts]
----
interface BulkRequest<TDocument = unknown, TPartialDocument = unknown> extends <<shared-type-request-base, RequestBase>> {
  index?: <<shared-type-index-name, IndexName>>
  pipeline?: string
  refresh?: <<shared-type-refresh, Refresh>>
  routing?: <<shared-type-routing, Routing>>
  _source?: SearchSourceConfigParam
  _source_excludes?: <<shared-type-fields, Fields>>
  _source_includes?: <<shared-type-fields, Fields>>
  timeout?: <<shared-type-duration, Duration>>
  wait_for_active_shards?: <<shared-type-wait-for-active-shards, WaitForActiveShards>>
  require_alias?: boolean
  operations?: (BulkOperationContainer | BulkUpdateAction<TDocument, TPartialDocument> | TDocument)[]
}
----

[discrete]
===== `BulkResponse`

[source,ts]
----
interface BulkResponse {
  errors: boolean
  items: Partial<Record<BulkOperationType, BulkResponseItem>>[]
  took: <<shared-type-long, long>>
  ingest_took?: <<shared-type-long, long>>
}
----