Slack Error Notification Handler

[
  {
    "data": {
      "nodeType": "integration"
    },
    "event": "node_start",
    "nodeId": "7880a941-fcf9-43af-98e8-a0a28594c0c7",
    "timestamp": 1780872305696
  },
  {
    "data": {
      "service": "slack",
      "resolved": true
    },
    "event": "credential_access",
    "nodeId": "_context",
    "timestamp": 1780872305696
  },
  {
    "data": {
      "url": "https://slack.com/api/conversations.history?channel=C0B6WTD21QX&limit=5",
      "method": "GET"
    },
    "event": "http_fetch",
    "nodeId": "_context",
    "timestamp": 1780872305696
  },
  {
    "data": {
      "status": 200
    },
    "event": "slack.read",
    "nodeId": "integration",
    "timestamp": 1780872305963
  },
  {
    "data": {
      "mode": "read",
      "status": "ok",
      "service": "slack",
      "latencyMs": 267,
      "operation": "read"
    },
    "event": "integration_call",
    "nodeId": "integration",
    "timestamp": 1780872305963
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "integration"
    },
    "event": "node_end",
    "nodeId": "7880a941-fcf9-43af-98e8-a0a28594c0c7",
    "timestamp": 1780872305963
  },
  {
    "data": {
      "nodeType": "trigger"
    },
    "event": "node_start",
    "nodeId": "a089f0e1-ce9a-4b65-8d75-29cabda31bc6",
    "timestamp": 1780872305966
  },
  {
    "data": {
      "kind": "n8n-nodes-base.errorTrigger"
    },
    "event": "seeded",
    "nodeId": "trigger",
    "timestamp": 1780872305966
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "trigger"
    },
    "event": "node_end",
    "nodeId": "a089f0e1-ce9a-4b65-8d75-29cabda31bc6",
    "timestamp": 1780872305966
  },
  {
    "data": {
      "nodeType": "passthrough"
    },
    "event": "node_start",
    "nodeId": "error-c55efd02",
    "timestamp": 1780872305970
  },
  {
    "data": {},
    "event": "noOp",
    "nodeId": "passthrough",
    "timestamp": 1780872305970
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "passthrough"
    },
    "event": "node_end",
    "nodeId": "error-c55efd02",
    "timestamp": 1780872305970
  }
]