source-code_snippets_7_js

return {
  isTransient: true,
  body: { foo: "bar" },
};

Of course, you can combine this with previously shown properties. For example:

return {
  isTransient: true,
  status: 201,
  body: { foo: "bar" },
  headers: {
    "X-Custom-Header": "I am a custom header",
  },
};