1// aggregations/bucket/terms-aggregation.asciidoc:600
2
3[source, php]
4----
5$params = [
6    'body' => [
7        'aggs' => [
8            'genres' => [
9                'terms' => [
10                    'field' => 'genre',
11                    'script' => [
12                        'source' => '\'Genre: \' +_value',
13                        'lang' => 'painless',
14                    ],
15                ],
16            ],
17        ],
18    ],
19];
20$response = $client->search($params);
21----
22