1// indices/put-mapping.asciidoc:327 2 3[source, php] 4---- 5$params = [ 6 'index' => 'my_index', 7 'body' => [ 8 'mappings' => [ 9 'properties' => [ 10 'user_id' => [ 11 'type' => 'keyword', 12 'ignore_above' => 20, 13 ], 14 ], 15 ], 16 ], 17]; 18$response = $client->indices()->create($params); 19---- 20