1// docs/update.asciidoc:153
2
3[source, php]
4----
5$params = [
6    'index' => 'test',
7    'id' => '1',
8    'body' => [
9        'script' => 'ctx._source.new_field = \'value_of_new_field\'',
10    ],
11];
12$response = $client->update($params);
13----
14