This module supplies a Webform element that generates a QR code. It is intended for emails sent to event participants and can be used for faster check-in. The event organizer will use an app to scan the QR code, which looks up the participant. Such an app might just show a green checkmark if the participant is found, or show additional information.

The QR code is only visible after the form is submitted, not while it is being filled out.

This module doesn’t have any participant tracking app yet. You need to use your own. As the data source, you can export webform submissions using Results » Download.
Please open an issue if you have a publicly available solution.

Installation

Install the module as you would normally install a contributed Drupal module.

QR code content

The QR code represents a custom string. In this case, the content is defined by the form author. In the wild, QR codes are often URLs, but for the purpose of this module the QR code content doesn’t have to be a URL. The content is based on tokens, so that each submission gets a different value. It should not be guessable. Examples are:

[webform_submission:sid][webform_submission:created]
[webform_submission:token]
[webform_submission:token-view-url]

Note that there are two distinct concepts called token:

The [] replacement syntax from the Token module and
the secure pseudo-random string used to look up a webform submission, for example AqMUTxvL00FOUIIKj-R6vK0mzEflYTVBzWCLVT_gNZ82.

Add a QR code to the email of a webform

Go to your webform's “Build” tab.
Click on “Add element”. Search for “QR Code” (it’s in the Computed Elements section).
Fill all mandatory fields.
- Title (and key) are just for you internally. They are not shown to the participants.
- Text to store in the QR code needs to be a value that is unique for each participant (and event). See examples above in the QR code content heading. Available tokens can be explored at the bottom of the form or on the page /token/tree of your Drupal installation.
You probably want to hide the QR code to end users before the form is submitted. Make sure you picked the correct “Display on”, probably viewed submission only.
Go to Settings » Emails / Handlers and make sure that the QR code is part of the email. Here are example tokens you can add to Message » Body:
- [webform_submission:values:html]
- [webform_submission:qr_code]
You should explain why there is a QR code in their email, for example like this:
Dear [webform_submission:values:first_name],

Thank you for registering for our event! We're excited to welcome you and ensure you have a fantastic experience.

Please note that the following QR code is for the organizers to scan at the event admission. When you arrive, simply present the QR code at the check-in area, and our team will take care of the rest:
[webform_submission:qr_code]

If you have any questions or need further assistance, feel free to reach out to us at XYZ.

We look forward to seeing you at the event!

Best regards,
XYZ
Fill your form like a participant would to test how the email looks like.

Maintainer

Christian “Gogowitsch” Bläul