Validate event tickets by scanning QR codes into a Google Form

Scan a ticket's QR code into a form and the system instantly checks it against your guest list and logs the result.

How the work actually flows

It branches. Exactly one path is taken.

Pattern: Exclusive Choice (4) · Simple Merge (5)

flowchart TD trig>"qr code scanned"]:::trig s0["check against guest list"]:::task s1["log scan result"]:::task trig --> s0 gx{"× code matches guest list"}:::gate s0 --> gx p00["log as valid"]:::task gx -->|"valid ticket"| p00 p10["log as invalid and alert"]:::task gx -->|"invalid ticket"| p10 jn{"○ record in sheet"}:::gate p00 --> jn p10 --> jn jn --> s1 out[/"instant valid or invalid scan log"/]:::out pay{{"faster line and fewer fake tickets"}}:::pay s1 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepOne path onlyPaths rejoinResultPayoff
Build size
Standard

A mid-size build with several tools working together.

Business functions
Spreadsheet & Database Ops
Connects
Google FormsGoogle Sheets

The problem it solves

Checking guests in at the door by flipping through a printed list or squinting at a spreadsheet slows down your line and invites mistakes. Fake or reused tickets are hard to catch by eye in the moment. This checks every scan against your master list instantly, so your check-in table keeps moving.

Who it fits

Event organizers who need a fast, reliable way to check in guests at the door.

How it works

  1. A staff member scans a guest's QR code, which submits it through a simple form
  2. The system pulls the scanned code from the new form response
  3. It checks the code against your master list of registered participants
  4. It logs the result as valid or invalid in a scan results sheet, alerting you to any ticket that does not match
What you get

Guests checked in and verified in seconds

You get every guest checked against your list and logged as valid or invalid the moment their code is scanned.

What you get

A live log of every ticket scan marked valid or invalid, and instant flags on unregistered tickets.

What you need

A Google Workspace account for Google Forms and Google Sheets, plus a phone with a QR scanning app.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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