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

--
:api: get-datafeed
:request: GetDatafeedRequest
:response: GetDatafeedResponse
--
[id="{upid}-{api}"]
=== Get Datafeed API

The Get Datafeed API provides the ability to get {ml} datafeeds in the cluster.
It accepts a +{request}+ object and responds
with a +{response}+ object.

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

A +{request}+ object gets can have any number of `datafeedId` entries.
However, they all must be non-null. An empty list is the same as requesting for all datafeeds.

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request]
--------------------------------------------------
<1> Constructing a new request referencing existing `datafeedIds`, can contain wildcards
<2> Whether to ignore if a wildcard expression matches no datafeeds.
 (This includes `_all` string or when no datafeeds have been specified)

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

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-response]
--------------------------------------------------
<1> The count of retrieved datafeeds
<2> The retrieved datafeeds

include::../execution.asciidoc[]