[role="xpack"]
[testenv="basic"]
[[start-data-frame-transform]]
=== Start {dataframe-transforms} API

[subs="attributes"]
++++
<titleabbrev>Start {dataframe-transforms}</titleabbrev>
++++

beta[]

Starts one or more {dataframe-transforms}.

[discrete]
[[start-data-frame-transform-request]]
==== {api-request-title}

`POST _data_frame/transforms/<data_frame_transform_id>/_start`

[discrete]
[[start-data-frame-transform-prereqs]]
==== {api-prereq-title}

If the {es} {security-features} are enabled, you must have
`manage_data_frame_transforms` cluster privileges to use this API. You must also
have `view_index_metadata` privileges on the source index for the
{dataframe-transform}. For more information, see
{stack-ov}/security-privileges.html[Security privileges] and
{stack-ov}/built-in-roles.html[Built-in roles].

[discrete]
[[start-data-frame-transform-path-parms]]
==== {api-path-parms-title}

`<data_frame_transform_id>` (Required)::
  (string) Identifier for the {dataframe-transform}. This identifier can contain
  lowercase alphanumeric characters (a-z and 0-9), hyphens, and underscores. It
  must start and end with alphanumeric characters.

[discrete]
[[start-data-frame-transform-example]]
==== {api-example-title}

[source,js]
--------------------------------------------------
POST _data_frame/transforms/ecommerce_transform/_start
--------------------------------------------------
// CONSOLE
// TEST[skip:set up kibana samples]

When the {dataframe-transform} starts, you receive the following results:
[source,js]
----
{
  "acknowledged" : true
}
----
// TESTRESPONSE