Dynamic QR Code in Email Template

I created an action having a Google Doc as the email body template. How can I insert a QR code in the Google Doc so that it dynamically generates a QR code based on a value from the record. Here’s what it would look like to merge the <> in the QR code if I could use straight html in the Google Doc:

Does the following Tip by AppSheet team’s @Peter help

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Ok got it. This worked:
LINKURL(concatenate(“https://chart.googleapis.com/chart?chs=150x150&cht=qr&chl=”,[Order Num]))