{
  "name": "Monitoring and alerting",
  "nodes": [
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        250,
        200
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Postgres",
      "type": "n8n-nodes-base.postgres",
      "position": [
        450,
        200
      ],
      "parameters": {
        "query": "SELECT * FROM n8n WHERE value > 70 AND notification = false;",
        "operation": "executeQuery"
      },
      "typeVersion": 1
    },
    {
      "name": "Twilio",
      "type": "n8n-nodes-base.twilio",
      "position": [
        650,
        200
      ],
      "parameters": {
        "to": "",
        "from": "",
        "message": "=🚨 The Sensor ({{$node[\"Postgres\"].json[\"sensor_id\"]}}) showed a reading of {{$node[\"Postgres\"].json[\"value\"]}}."
      },
      "typeVersion": 1
    },
    {
      "name": "Set",
      "type": "n8n-nodes-base.set",
      "position": [
        850,
        200
      ],
      "parameters": {
        "values": {
          "number": [
            {
              "name": "id",
              "value": "={{$node[\"Postgres\"].json[\"id\"]}}"
            }
          ],
          "boolean": [
            {
              "name": "notification",
              "value": true
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Postgres1",
      "type": "n8n-nodes-base.postgres",
      "position": [
        1050,
        200
      ],
      "parameters": {
        "table": "n8n",
        "columns": "notification",
        "operation": "update"
      },
      "typeVersion": 1
    },
    {
      "id": "e738d946-ba03-5658-9242-0fff6592a163",
      "name": "Publication · Overview and setup",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -800,
        0
      ],
      "parameters": {
        "content": "# Monitoring and alerting\n\n## Purpose and structure\nThis folder contains the **Monitoring and alerting** workflow. Its executable nodes use `cron`, `postgres`, `set`, `twilio`. The table and connection map below are derived from the JSON, not an inferred guarantee of behavior.\n\n## Setup\nImport inactive. Configure your own credentials and replace REPLACE_WITH_* values. Review external destinations and Code nodes before running.\n\n## Entry points\nCron\n\n## Verification\nSanitized source candidate; not runtime-tested. This overview is generated from node metadata. Read the folder README for the connection map, credential types, and license.\n\n## Attribution\nhttps://github.com/Zie619/n8n-workflows/blob/94007c1445d9258a7da116646b79473e7c7c3282/workflows/Twilio/0842_Twilio_Cron_Send_Scheduled.json\nMIT; preserve source notices.",
        "width": 700,
        "height": 800,
        "color": 1
      }
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "Set": {
      "main": [
        [
          {
            "node": "Postgres1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Cron": {
      "main": [
        [
          {
            "node": "Postgres",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Twilio": {
      "main": [
        [
          {
            "node": "Set",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Postgres": {
      "main": [
        [
          {
            "node": "Twilio",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}