// This file is autogenerated, DO NOT EDIT
// Use `node scripts/generate-docs-examples.js` to generate the docs examples

[source, js]
----
const response = await client.indices.putMapping({
  index: "my-index-000001",
  runtime: {
    http: {
      type: "composite",
      script: 'emit(grok("%{COMMONAPACHELOG}").extract(doc["message"].value))',
      fields: {
        clientip: {
          type: "ip",
        },
        verb: {
          type: "keyword",
        },
        response: {
          type: "long",
        },
      },
    },
  },
});
console.log(response);
----