---
title: How to Use External (Non-vFairs) QR Codes for Check-In and Badge Printing
description: Use external QR codes in vFairs for event check-in, badge printing, and session check-ins by mapping them to a unique attendee field.
---

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2. [Badge Printing & Check-in App](https://help.vfairs.com/knowledge/badge-printing-check-in-app?hsLang=en)

# How to Use External (Non-vFairs) QR Codes for Check-In and Badge Printing

## Learn how to use your own (external) QR codes for event check-in, badge printing, and session check-ins in vFairs.

<iframe src="https://player.vimeo.com/video/1206082731?autoplay=1&amp;loop=1" app_id="122963&quot;" width="426" height="230" frameborder="0" allow="autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share" referrerpolicy="strict-origin-when-cross-origin" title="2026-07-01__09_09_07_a_m_-How_to_Use_External__Non-vFairs__QR_Codes_for_Check-In_and_Badge_Printing" style="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; border-width: medium; border-style: none; border-color: currentcolor; border-image: none;"></iframe>

### **Accessing Badge Printing Settings**

1. Go to your **Event Backend**.
2. Navigate to **Badge Printing App**.
3. Click **Badge Printing Settings.
   
   ![](https://help.vfairs.com/hs-fs/hubfs/Badge%20Printing%20Settings-png-1.png?width=266&height=307&name=Badge%20Printing%20Settings-png-1.png)**
4. Open the **Others** tab.
   
   ![](https://help.vfairs.com/hs-fs/hubfs/Others%20Tab-png.png?width=500&height=316&name=Others%20Tab-png.png)

### **Enabling External QR Codes**

1. Locate the toggle:**“Are you using a non-vFairs QR code to check-in or print badges?”**
2. Enable the toggle.

Once enabled, additional configuration options will appear.

### **Mapping QR Code Data**

After enabling the feature:

1. Locate the field:**“Please select the field where non-vFairs QR data is saved”
   
   ![](https://help.vfairs.com/hs-fs/hubfs/Others%20Tab%20Configuration-png.png?width=500&height=291&name=Others%20Tab%20Configuration-png.png)**
2. Select the user field that matches the data encoded in your QR codes 
     1. Important The selected field must contain **unique values for each user** (e.g., Email, Registration ID) Avoid using non-unique fields such as **First Name**, as this can cause incorrect check-ins or badge printing issues
3. Click **Update Settings** to save your changes

### **Supported Use Cases**

Once configured, you can use your external QR codes for:

- **Event Check-In**
- **Badge Printing**
- **Session Check-Ins**

The system will match the scanned QR code data with the selected user field to identify attendees.

### **Enabling Session Check-Ins**

To enable session check-ins in your Onsite app, refer to the following article:

[**How to Enable Session Check-Ins in the vFairs Onsite App**](https://help.vfairs.com/knowledge/how-to-enable-session-check-ins-in-the-vfairs-onsite-app?hsLang=en)

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