Templates / Automate event ticketing and waitlists with multi-tier PDFs and PDF Generator API

Automate event ticketing and waitlists with multi-tier PDFs and PDF Generator API

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by Marián Današ ✓ · 11 views · created 2026-03-30 · Document Extraction

Unknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.

What this workflow does

This workflow has 29 nodes and runs when someone submits an n8n form (“🎫 Event Registration”) (plus 1 other trigger). Along the way it connects Google Sheets, Gmail, Slack and Pdf Generator Api (community).

How it runs

Trigger: When someone submits an n8n form (“🎫 Event Registration”) (plus 1 other trigger).

Get Current Registrations (Google Sheets): uses Google Sheets
Validate Cancellation (Code): runs custom JavaScript code
Check Capacity & Prepare Data (Code): runs custom JavaScript code
Remove Registration (Google Sheets): update
Event Full? (If): checks a condition and branches into true / false
Get Waitlist (Google Sheets): uses Google Sheets
Add to Waitlist (Google Sheets): append
Route by Ticket Tier (Switch): routes items into 3 branches
Waitlist Not Empty? (If): checks a condition and branches into true / false
Build Waitlist Email (Code): runs custom JavaScript code

…plus 17 more steps. See the full node list below.

Services it uses

Google Sheets Gmail SlackPdf Generator Api (community)

Before you upgrade to n8n 3.0

We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).

Check that @pdfgeneratorapi/n8n-nodes-pdf-generator-api is verified or supports 3.0 (used in Generate Ticket PDF, Generate Promoted Ticket PDF).

Nodes used (10)

n8n Form Triggern8n-nodes-base.formTrigger
Google Sheetsn8n-nodes-base.googleSheets
Coden8n-nodes-base.code
Ifn8n-nodes-base.if
Switchn8n-nodes-base.switch
Edit Fields (Set)n8n-nodes-base.set
Pdf Generator Api@pdfgeneratorapi/n8n-nodes-pdf-generator-api.pdfGeneratorApi
Gmailn8n-nodes-base.gmail
Slackn8n-nodes-base.slack
Webhookn8n-nodes-base.webhook

From the author

Automate event registration with capacity management, a waitlist, and multi-tier PDF ticket generation using PDF Generator API. When attendees register, the workflow checks available spots, routes by tier (General / VIP / Backstage), generates a PDF ticket…
Excerpt from Marián Današ's description on n8n.io.

View the original on n8n.io → Check your own copy

Automate event ticketing and waitlists with multi-tier PDFs and PDF Generator API

What this workflow does

How it runs

Services it uses

Before you upgrade to n8n 3.0

Nodes used (10)

From the author

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