elasticsearch/docs/reference/transform/apis/upgrade-transforms.asciidoc

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[role="xpack"]
[testenv="basic"]
[[upgrade-transforms]]
= Upgrade {transform} API
[subs="attributes"]
++++
<titleabbrev>Upgrade {transform}</titleabbrev>
++++
Upgrades all {transform}s.
[[upgrade-transforms-request]]
== {api-request-title}
`POST _transform/_upgrade`
[[upgrade-transforms-prereqs]]
== {api-prereq-title}
Requires the following privileges:
* cluster: `manage_transform` (the `transform_admin` built-in role grants this
privilege)
* source indices: `read`, `view_index_metadata`
* destination index: `read`, `index`.
[[upgrade-transforms-desc]]
== {api-description-title}
This API upgrades all existing {transform}s.
[[upgrade-transforms-query-parms]]
== {api-query-parms-title}
`dry_run`::
(Optional, Boolean) When `true`, only checks for updates but does not execute them.
[[upgrade-transforms-example]]
== {api-examples-title}
[source,console]
--------------------------------------------------
POST _transform/_upgrade
--------------------------------------------------
// TEST[setup:simple_kibana_continuous_pivot]
When all {transform}s are upgraded, you receive a summary:
[source,console-result]
----
{
"no_action": 1
}
----
// TESTRESPONSE[s/"no_action" : 1/"no_action" : $body.no_action/]