0191 Manual Slack Automation Webhook

{
  "name": "0191 Manual Slack Automation Webhook",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        160,
        300
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Download the file",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        420,
        300
      ],
      "parameters": {
        "url": "https://n8n.io/_nuxt/img/sync-data-between-apps.a4be8c7.png",
        "options": {},
        "responseFormat": "file"
      },
      "typeVersion": 1
    },
    {
      "name": "Post to Slack",
      "type": "n8n-nodes-base.slack",
      "position": [
        640,
        300
      ],
      "parameters": {
        "options": {
          "channelIds": [
            "C02GP22NHJ6"
          ],
          "initialComment": "This is the file"
        },
        "resource": "file",
        "binaryData": true,
        "authentication": "oAuth2"
      },
      "...