// 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.simulate.ingest({
  docs: [
    {
      _index: "my-index",
      _id: "123",
      _source: {
        foo: "bar",
      },
    },
    {
      _index: "my-index",
      _id: "456",
      _source: {
        foo: "rab",
      },
    },
  ],
  pipeline_substitutions: {
    "my-pipeline": {
      processors: [
        {
          uppercase: {
            field: "foo",
          },
        },
      ],
    },
  },
});
console.log(response);
----