// 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-data-stream",
  write_index_only: "true",
  properties: {
    message: {
      type: "text",
    },
  },
});
console.log(response);
----