Add a QR code reader section to your app:

1. In the left-swipe menu go to Content & Design > Content > Sections   

2. Click the green button "+ Add a Section "

3. Select the option QR Code, in the dropdown menu

4. Choose a name for the section

5. Click the button "Add".

You may customize the design of the QR Code Reader: the color of the button, the text, and font. 

1. Go to Content & Design > Design > Sections Design

2. Select your QR Code section

3. Click Edit

From the Settings tab, you can change the Publication status (to hide the section without deleting it), or customize the URL of the section.

Make sure to Save the modifications at the bottom of the page when you are done.