Promote calendar events with OpenAI graphics to LinkedIn, X, and Facebook

Never let an event go unpromoted. This workflow monitors your Google Calendar, generates branded promotional graphics, and schedules a staggered social media countdown across LinkedIn, Twitter/X, and Facebook.

🎯 What This Workflow Does

This template automates the full lifecycle of event promotion—from creation to multi-platform publishing.

📅 Step 1 — Calendar Trigger & Intelligence

Instant Trigger:** Fires when a new event is created in Google Calendar
Data Enrichment:** Extracts title, location, and formatted date/time
Safety Gate:** Skips events starting in less than 2 hours

🖼️ Step 2 — Programmatic Design & CDN Hosting

Dynamic Graphic Creation:** Uses Edit Image node to overlay event details on a banner
CDN Hosting:** Uploads the image via UploadToURL to generate a public URL
Schedule Calculation:** Sets post timings at 48h, 24h, and 1h before the event

🔁 Step 3 — Staggered Countdown & AI Copy

Loop Execution:** Iterates through each scheduled post time
Smart Wait:** Delays execution until the exact posting time
AI Captions:** Generates time-based captions using OpenAI

📊 Step 4 — Audit Logging & Admin Alerts

Google Sheets Log:** Stores platform status and image URLs for each post
Telegram Alerts:** Sends a final campaign summary to the admin

✨ Key Features

Automated Graphic Design:** Creates visuals for every event
Persistent Wait Logic:** Handles long delays within a single workflow
Multi-Platform Posting:** Publishes to LinkedIn, Twitter/X, and Facebook
CDN Media Bridge:** UploadToURL ensures valid public image URLs

🔧 Setup Requirements

Required Integrations

Google Calendar:** OAuth2 credentials
Social Platforms:** LinkedIn, Twitter/X, Facebook Page credentials
OpenAI:** API key for captions
Google Sheets:** Sheet for logging
UploadToURL:** API key
Telegram:** Bot token and chat ID

Required Assets

Public URL of your base banner template image

Automate your event marketing. Import this template and connect your Google Calendar to start promoting events effortlessly!