You can Embed a QR Code to your email body .QRCodes are useful when people can use their smart phones to directly open a link .You can create a basic QR Code by including =QRCode( static or dynamic link or data goes here) in Email body template inside Processor. For example =QRCode( https://www.formnotify.com) will generate the following.Please note the default background (white) and foreground (black) colour in the below image.
You can customise the colour of the default QR Code by including hexcolor(background color,foreground color) .For example the following QRCode is generated with =QRCode( https://www.formnotify.com hexcolor(#9942f5,#ffffff) ) .Only hex colour codes can be used .You can use google colour picker or any other color picker to generate your hex colour codes.
Always use contrasting colours while opting for coloured QRCodes.
Test generated QRCodes from multiple devices before distributing them.