1// aggregations/bucket/terms-aggregation.asciidoc:806
2
3[source, php]
4----
5$params = [
6    'body' => [
7        'aggs' => [
8            'actors' => [
9                'terms' => [
10                    'field' => 'actors',
11                    'size' => 10,
12                    'collect_mode' => 'breadth_first',
13                ],
14                'aggs' => [
15                    'costars' => [
16                        'terms' => [
17                            'field' => 'actors',
18                            'size' => 5,
19                        ],
20                    ],
21                ],
22            ],
23        ],
24    ],
25];
26$response = $client->search($params);
27----
28