Create a post and update the post in WordPress

{
  "id": "60",
  "name": "Create a post and update the post in WordPress",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        570,
        260
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Wordpress",
      "type": "n8n-nodes-base.wordpress",
      "position": [
        770,
        260
      ],
      "parameters": {
        "title": "created from n8n",
        "additionalFields": {}
      },
      "credentials": {
        "wordpressApi": "wordpress"
      },
      "typeVersion": 1
    },
    {
      "name": "Wordpress1",
      "type": "n8n-nodes-base.wordpress",
      "position": [
        970,
        260
      ],
      "parameters": {
        "postId": "={{$node[\"Wordpress\"].json[\"id\"]}}",
        "operation": "update",
        "updateFields": {
          "content": "This post was created using the n8n workflow."
        }
      },
      "credentials": {
      ...