Daily Event Reminder Automation

The workflow JSON

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{
  "name": "5. Event Reminder",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 8 * * *"
            }
          ]
        }
      },
      "id": "schedule-1",
      "name": "Schedule - Daily 8AM",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "query_description",
              "value": "Fetch events happening in next 24 hours from Supabase"
            }
          ],
          "object": [
            {
              "name": "todays_events",
              "value": "[{\"title\": \"TechFest 2026 - Hackathon\", \"venue\": \"Main Auditorium\", \"time\": \"10:00 AM\", \"category\": \"Technical\", \"organizer\": \"CS Department\"}, {\"title\": \"Cultural Night Rehearsal\", \"venue\": \"Open Air Theatre\", \"time\": \"5:00 PM\", \"category\": \"Cultural\", \"organizer\": \"Cultural Club\"}]"
            }
          ]
        },
        "options": {}
      },
      "id": "set-1",
      "name": "Mock - Fetch Today's Events",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        500,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "cond1",
              "leftValue": "={{ $json.todays_events }}",
              "rightValue": "",
              "operator": {
                "type": "string",
                "operation": "isNotEmpty"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "if-1",
      "name": "IF Events Exist",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        740,
        300
      ]
    },
    {
      "parameters": {
        "fieldToSplitOut": "todays_events",
        "options": {}
      },
      "id": "split-1",
      "name": "Split Events",
      "type": "n8n-nodes-base.splitOut",
      "typeVersion": 1,
      "position": [
        960,
        200
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "to",
              "value": "all-students@college.edu"
            },
            {
              "name": "subject",
              "value": "\ud83c\udf89 Today's Event: {{ $json.title }}"
            },
            {
              "name": "message",
              "value": "Reminder! An event is happening today on campus.\n\n\ud83d\udccc {{ $json.title }}\n\ud83d\udccd Venue: {{ $json.venue }}\n\ud83d\udd50 Time: {{ $json.time }}\n\ud83c\udff7\ufe0f Category: {{ $json.category }}\n\ud83c\udf93 Organized by: {{ $json.organizer }}\n\nDon't miss out!\n\n\u2014 CampusFlow Events"
            }
          ]
        },
        "options": {}
      },
      "id": "set-2",
      "name": "Prepare Event Reminder",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1200,
        200
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "status",
              "value": "no_events_today"
            }
          ]
        },
        "options": {}
      },
      "id": "set-3",
      "name": "No Events Today",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        960,
        420
      ]
    }
  ],
  "connections": {
    "Schedule - Daily 8AM": {
      "main": [
        [
          {
            "node": "Mock - Fetch Today's Events",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Mock - Fetch Today's Events": {
      "main": [
        [
          {
            "node": "IF Events Exist",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "IF Events Exist": {
      "main": [
        [
          {
            "node": "Split Events",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "No Events Today",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Split Events": {
      "main": [
        [
          {
            "node": "Prepare Event Reminder",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "tags": [
    {
      "name": "CampusFlow"
    }
  ]
}

About this workflow

5. Event Reminder. Uses scheduleTrigger, splitOut. Scheduled trigger; 6 nodes.

Source: https://github.com/theashwinikumar/campusflow/blob/4fadb60388a79902e93098c89c62b49e5738948f/n8n-workflows/05-event-reminder.json — original creator credit. Request a take-down →

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