OpenSearch/docs/java-rest/high-level/ml/preview-datafeed.asciidoc

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--
:api: preview-datafeed
:request: PreviewDatafeedRequest
:response: PreviewDatafeedResponse
--
[role="xpack"]
[id="{upid}-{api}"]
=== Preview datafeeds API
Previews a {ml} datafeed's data in the cluster. It accepts a +{request}+ object
and responds with a +{response}+ object.
[id="{upid}-{api}-request"]
==== Preview datafeeds request
A +{request}+ object is created referencing a non-null `datafeedId`.
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request]
--------------------------------------------------
<1> Constructing a new request referencing an existing `datafeedId`
[id="{upid}-{api}-response"]
==== Preview datafeeds response
["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-response]
--------------------------------------------------
<1> The raw +BytesReference+ of the data preview
<2> A +List<Map<String,Object>>+ that represents the previewed data
include::../execution.asciidoc[]