Automated notion task reminders via Slack
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: Cron. 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 11 nodes and runs on a schedule (legacy Cron node). Along the way it connects Slack and Notion.
How it runs
Trigger: On a schedule (legacy Cron node).
- Set Notion User Emails (Edit Fields (Set)): sets 2 fields: User 1 Notion Email, User 2 Notion Email
- Set Slack User Full Name (Edit Fields (Set)): sets 2 fields: User 1 Slack Full Name, User 2 Slack Full Name
- Get To Dos from Tasks Database (Notion): get many (database page)
- Filter: keeps only the items that match a condition
- Get All Slack Users (Darryn) (Slack): get many (user)
- Switch: routes items into 2 branches
- Filter: keeps only the items that match a condition
- Filter: keeps only the items that match a condition
- Send a Direct Message to User (Slack): uses Slack
- Send a Direct Message to User (Slack): uses Slack
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- Cron in Schedule Mon - Friday @ 09:00am: replace with Schedule Trigger.
Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).
| Removed in 3.0 | Replace with |
|---|---|
| Cron Schedule Mon - Friday @ 09:00am | Schedule Trigger |
Nodes used (6)
- Filter
n8n-nodes-base.filter - Slack
n8n-nodes-base.slack - Notion
n8n-nodes-base.notion - Cron
n8n-nodes-base.cron - Edit Fields (Set)
n8n-nodes-base.set - Switch
n8n-nodes-base.switch
From the author
This workflow is designed to automate task reminders by retrieving tasks from a Notion database and sending reminders to Slack users. It checks for incomplete tasks from a Notion database and sends a Slack message to the relevant users with the task details…