// 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.update({
  index: "my-index-000001",
  id: 1,
  script: {
    source:
      "if (ctx._source.tags.contains(params['tag'])) { ctx.op = 'delete' } else { ctx.op = 'none' }",
    lang: "painless",
    params: {
      tag: "green",
    },
  },
});
console.log(response);
----