elasticsearch/docs/java-rest/high-level/ml/put-datafeed.asciidoc

--
:api: put-datafeed
:request: PutDatafeedRequest
:response: PutDatafeedResponse
--
[id="{upid}-{api}"]
=== Put Datafeed API

The Put Datafeed API can be used to create a new {ml} datafeed
in the cluster. The API accepts a +{request}+ object
as a request and returns a +{response}+.

[id="{upid}-{api}-request"]
==== Put Datafeed Request

A +{request}+ requires the following argument:

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-request]
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<1> The configuration of the {ml} datafeed to create

[id="{upid}-{api}-config"]
==== Datafeed Configuration

The `DatafeedConfig` object contains all the details about the {ml} datafeed
configuration.

A `DatafeedConfig` requires the following arguments:

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config]
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<1> The datafeed ID and the job ID
<2> The indices that contain the data to retrieve and feed into the job

==== Optional Arguments
The following arguments are optional:

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config-set-chunking-config]
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<1> Specifies how data searches are split into time chunks.

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config-set-frequency]
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<1> The interval at which scheduled queries are made while the datafeed runs in real time.

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config-set-query]
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<1> A query to filter the search results by. Defaults to the `match_all` query.

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config-set-query-delay]
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<1> The time interval behind real time that data is queried.

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config-set-script-fields]
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<1> Allows the use of script fields.

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-config-set-scroll-size]
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<1> The `size` parameter used in the searches.

include::../execution.asciidoc[]

[id="{upid}-{api}-response"]
==== Response

The returned +{response}+ returns the full representation of
the new {ml} datafeed if it has been successfully created. This will
contain the creation time and other fields initialized using
default values:

["source","java",subs="attributes,callouts,macros"]
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include-tagged::{doc-tests-file}[{api}-response]
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<1> The created datafeed