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Meetup registration system with PostgreSQL database & interactive giveaway tool

n8nn8n8 modulesv1.0
DiscordWhatsApp

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. ๐ŸŽ‰ n8n Workflow: Meetup Registration & Giveaway Picker This n8n workflow is designed to handle both participant registration and giveaway winner selection, fully integrated with a frontend experience. ๐Ÿ“‹ Participant Registration Flow This part of the workflow automates the registration process for meetup attendees. ๐Ÿ”„ Steps: 1. ๐Ÿ“ Participant Form (Webhook Trigger) - Triggered when a user submits th

At a glance

Meetup registration system with PostgreSQL database & interactive giveaway tool is a ready-made n8n workflow you import as a workflow JSON file โ€” no build required. It connects Discord, WhatsApp. It's free to download. Follow the 5-step import below to go live in minutes.

Platform
n8n
Connects
Discord, WhatsApp
Modules
8
Price
Free
Version
v1.0
Meetup registration system with PostgreSQL database & interactive giveaway tool workflow diagram

About this workflow

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. ๐ŸŽ‰ n8n Workflow: Meetup Registration & Giveaway Picker This n8n workflow is designed to handle both participant registration and giveaway winner selection, fully integrated with a frontend experience. ๐Ÿ“‹ Participant Registration Flow This part of the workflow automates the registration process for meetup attendees. ๐Ÿ”„ Steps: 1. ๐Ÿ“ Participant Form (Webhook Trigger) - Triggered when a user submits the form. - Captures fields like namalengkap, email, whatsapp, discordusername, and more. 2. ๐Ÿ› ๏ธ Data Mapping - Maps raw form inputs into a structured format. - Supports trimming, validation, and transformation as needed. 3. ๐Ÿ’พ Save to Database - Performs an upsert operation to store participant info in PostgreSQL. - Prevents duplicate entries based on unique ID (e.g., WhatsApp or email). 4. โœ… Confirmation Screen - Returns a success message or thank-you page after registration is complete. ๐ŸŽ Giveaway App This section serve frontend app to display and select random winners. ๐Ÿ”„ Steps: 1. ๐ŸŒ Webhook GET (Giveaway App) - Exposes a public endpoint that delivers a ready-to-use HTML app. - Can be opened in a browser or projected during the event. 2. ๐Ÿ“ฅ Fetch Participants - Executes a SQL query to retrieve all participant records from the database. 3. ๐Ÿงฎ Format Participant Data - Redacts personal details (e.g., masks WhatsApp numbers). - Encodes the id using Base64 for privacy and uniqueness. 4. ๐Ÿ“ค Render Giveaway App - Returns an HTML-based Single Page Application with the participant list included. - Allows the host to click a button to pick random winners live. โœ… Use Case Highlights - Streamlined participant collection and storage using n8n workflows - Secure data handling with redaction and ID encoding - Frontend integration for a fun, interactive giveaway experience - Reusable for other community events, workshops, or internal team draws

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How to import this n8n workflow

  1. 1

    Download the workflow JSON file after purchase.

  2. 2

    Open n8n โ†’ click the menu โ†’ Import from File.

  3. 3

    Select the downloaded JSON and import.

  4. 4

    Set up credentials for each node that requires them.

  5. 5

    Click Execute Workflow to test, then activate.

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