import { Novu } from '@novu/node';

const novu = new Novu('<NOVU_API_KEY>');

const payloadToUpdate = {
  content: "<h1>Layout Start</h1>{{{body}}}<h1>Layout End</h1>",
  description: "Organisation's first layout",
  name: "First Layout",
  identifier: "firstlayout",
  variables: [
    {
      type: "String",
      name: "body"
      required: true
      defValue: ""
    }
  ]
  isDefault: false
}
await novu.layouts.update("layoutId", payloadToUpdate);

{
  "name": "string",
  "identifier": "string",
  "description": "string",
  "content": "string",
  "variables": [
    {}
  ],
  "isDefault": true
}