Post a message to a channel in RocketChat

{
  "id": "90",
  "name": "Post a message to a channel in RocketChat",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        250,
        300
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Rocketchat",
      "type": "n8n-nodes-base.rocketchat",
      "position": [
        450,
        300
      ],
      "parameters": {
        "text": "Hello everyone",
        "channel": "#general",
        "options": {},
        "attachments": []
      },
      "credentials": {
        "rocketchatApi": "Rocket"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Rocketchat",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}