1// indices/put-mapping.asciidoc:257
2
3[source, php]
4----
5$params = [
6    'index' => 'my_index',
7    'body' => [
8        'properties' => [
9            'city' => [
10                'type' => 'text',
11                'fields' => [
12                    'raw' => [
13                        'type' => 'keyword',
14                    ],
15                ],
16            ],
17        ],
18    ],
19];
20$response = $client->indices()->putMapping($params);
21----
22