Organise an Event using Slack, Google Calendar and AI

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

This n8n workflow takes Slack conversations and turns them into Calendar events complete with accurate date and times and location information. Adding and removing attendees are also managed automa...

Best for

Personal Productivity automation workflows
AI Chatbot automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.splitout, n8n-nodes-base.slack, n8n-nodes-base.code, n8n-nodes-base.if, n8n-nodes-base.googlecalendar, n8n-nodes-base.set, n8n-nodes-base.filter, @n8n/n8n-nodes-langchain.outputparserstructured

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Jimleuk.

Original n8n.io source

1.1 Workflow description

Title: Organise an Event using Slack, Google Calendar and AI
Workflow name: Organise an Event using Slack, Google Calendar and AI

How it works

Workflow monitors a Slack channel for invite messages with a "📅" reaction and sends this to the AI agent.
AI agent parses the message determining the time, date and location.
Using its Location tool, the AI agent searches for the precise location address from Google Maps.
Using its Calendar tool, the AI agent creates a Google Calendar invite with the title, description and location address for the user.
Back in the Slack channel, others can RSVP to the invite by reacting with the "✅" emjoi.
The workflow polls the message after a while and adds the users who have reacted to the Calendar Invite as attendees. Conversely, removing any attendees who have since removed their reaction.

Examples

Jill: "Hey team, I'm organising a round of Laser Tag (Bunker 51) next Thursday around 6pm. Please RSVP with a ✅"

AI: "I've helped you create an event in your calendar https://cal.google.com/..."

Jack: "✅"

AI: "I've added Jack to the event as an attendee".

Requirements

Slack channel to attach the workflow
OpenAI account to use a GPT model
Google Calendar to create and update events

Customising the Workflow

This workflow can work with other messaging platforms that support reactions or tagging like features such as discord. Don't use Google Calendar? Swap it out for Outlook or your own.

Use any combinations of emjoi reactions and add new rules like "RSVP maybe" which could send reminder updates nearer the event date.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - For Each User ID...

Type / Role: n8n-nodes-base.splitOut - splitOut
Config choices: Version 1

Block 2 - Get User

Type / Role: n8n-nodes-base.slack - slack
Config choices: Version 2.2

Block 3 - Search for Invite Requests

Type / Role: n8n-nodes-base.slack - slack
Config choices: Version 2.2

Block 4 - Get Existing Invite EventID

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 5 - Should Create Event?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2

Block 6 - Create Event

Type / Role: n8n-nodes-base.googleCalendar - googleCalendar
Config choices: Version 1.1

Block 7 - Get Invite Reactions

Type / Role: n8n-nodes-base.slack - slack
Config choices: Version 2.2

Block 8 - Get Invite Replies

Type / Role: n8n-nodes-base.slack - slack
Config choices: Version 2.2

Block 9 - Extract Invite Reactions

Type / Role: n8n-nodes-base.splitOut - splitOut
Config choices: Version 1

Block 10 - Get Old EventId

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.3

Block 11 - Add Attendee to Event

Type / Role: n8n-nodes-base.googleCalendar - googleCalendar
Config choices: Version 1.1

Block 12 - Get Event Details

Type / Role: n8n-nodes-base.googleCalendar - googleCalendar
Config choices: Version 1.1

Block 13 - Is Attending

Type / Role: n8n-nodes-base.filter - filter
Config choices: Version 2

Block 14 - Get User Email

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.3

Block 15 - Should Add Attendee?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2

Block 16 - Structured Output Parser

Type / Role: @n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices: Version 1.1

Block 17 - SerpAPI

Type / Role: @n8n/n8n-nodes-langchain.toolSerpApi - toolSerpApi
Config choices: Version 1

Block 18 - OpenAI Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1

Block 19 - Wikipedia

Type / Role: @n8n/n8n-nodes-langchain.toolWikipedia - toolWikipedia
Config choices: Version 1

Block 20 - Schedule Trigger

Type / Role: n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices: Version 1.2

Block 21 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 22 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 23 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 24 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Showing the first 24 of 33 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow	Organise an Event using Slack, Google Calendar and AI
Complexity	advanced
Nodes	33
Categories	Personal Productivity, AI Chatbot
Author	Jimleuk
Published	10 Jul 2024

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/2326/2326.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Personal Productivity workflows AI Chatbot workflows

Frequently asked questions

What does Organise an Event using Slack, Google Calendar and AI do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Personal Productivity, AI Chatbot use case.

Jimleuk

100 workflows

Nodes

n8n-nodes-base.splitout n8n-nodes-base.slack n8n-nodes-base.code n8n-nodes-base.if n8n-nodes-base.googlecalendar n8n-nodes-base.set n8n-nodes-base.filter @n8n/n8n-nodes-langchain.outputparserstructured

Complexity

advanced

Published 10 Jul 2024

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/2326/2326.json

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Organise an Event using Slack, Google Calendar and AI

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

How it works

Examples

Requirements

Customising the Workflow

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - For Each User ID...

Block 2 - Get User

Block 3 - Search for Invite Requests

Block 4 - Get Existing Invite EventID

Block 5 - Should Create Event?

Block 6 - Create Event

Block 7 - Get Invite Reactions

Block 8 - Get Invite Replies

Block 9 - Extract Invite Reactions

Block 10 - Get Old EventId

Block 11 - Add Attendee to Event

Block 12 - Get Event Details

Block 13 - Is Attending

Block 14 - Get User Email

Block 15 - Should Add Attendee?

Block 16 - Structured Output Parser

Block 17 - SerpAPI

Block 18 - OpenAI Chat Model

Block 19 - Wikipedia

Block 20 - Schedule Trigger

Block 21 - Sticky Note

Block 22 - Sticky Note1

Block 23 - Sticky Note2

Block 24 - Sticky Note3

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions