OpenSearch/docs/en/rest-api/ml/get-category.asciidoc

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[[ml-get-category]]
==== Get Categories
The get categories API allows you to retrieve information about the categories in the results for a job.
===== Request
`GET _xpack/ml/anomaly_detectors/<job_id>/results/categories` +
`GET _xpack/ml/anomaly_detectors/<job_id>/results/categories/<category_id>`
////
===== Description
////
===== Path Parameters
`job_id`::
(+string+) Identifier for the job.
`category_id`::
(+string+) Identifier for the category. If you do not specify this optional parameter,
the API returns information about all categories that you have authority to view.
===== Request Body
//TBD: Test these properties, since they didn't work on older build.
`from`::
(+integer+) Skips the specified number of categories.
`size`::
(+integer+) Specifies the maximum number of categories to obtain.
===== Results
The API returns the following information:
`categories`::
(+array+) An array of category objects. For more information, see
<<ml-results-categories,Categories>>.
////
===== Responses
200
(EmptyResponse) The cluster has been successfully deleted
404
(BasicFailedReply) The cluster specified by {cluster_id} cannot be found (code: clusters.cluster_not_found)
412
(BasicFailedReply) The Elasticsearch cluster has not been shutdown yet (code: clusters.cluster_plan_state_error)
////
===== Examples
The following example gets category information for the `it_ops_new_logs` job:
[source,js]
--------------------------------------------------
GET _xpack/ml/anomaly_detectors/it_ops_new_logs/results/categories
--------------------------------------------------
// CONSOLE
// TEST[skip:todo]
In this example, the API returns the following information for each category:
----
{
"count": 11,
"categories": [
{
"job_id": "it_ops_new_logs",
"category_id": 1,
"terms": "Actual Transaction Already Voided Reversed hostname
dbserver.acme.com physicalhost esxserver1.acme.com vmhost app1.acme.com",
"regex": ".*?Actual.+?Transaction.+?Already.+?Voided.+?Reversed.+?hostname.
+?dbserver.acme.com.+?physicalhost.+?esxserver1.acme.com.+?vmhost.
+?app1.acme.com.*",
"max_matching_length": 137,
"examples": [
"Actual Transaction Already Voided / Reversed;hostname=dbserver.acme.com;
physicalhost=esxserver1.acme.com;vmhost=app1.acme.com"
]
},
...
]
}
----