// 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.ingest.simulate({
  pipeline: {
    description: "monthly date-time index naming",
    processors: [
      {
        date_index_name: {
          field: "date1",
          index_name_prefix: "my-index-",
          date_rounding: "M",
        },
      },
    ],
  },
  docs: [
    {
      _source: {
        date1: "2016-04-25T12:02:01.789Z",
      },
    },
  ],
});
console.log(response);
----