Creates QR codes based on a string input. Accepts single arguments as well as lists. There is also support for color and adjustment to the error correction level. (See QR.ECClevel)

Inputs:

• Str: single string or list of strings to be encoded.
• QRColor: Dynamo color
• BackColor: Dynamo color
• ECCLevel: string (“L – 7%”, “M – 15%”, “Q – 25%” or “H – 30%”)

Source: http://jbdynamo.blogspot.no/2016/01/qr-codes-in-dynamo-revisited.html