Here is a quick video which explains how to find your WhatsApp message links.
https://www.loom.com/share/71b150fcf1a34842885dd19dc479a1b2
If you want to download a QR code for your WhatsApp onestop link, you can paste in the link to a free service like https:goqr.me, or simple click on the download QR code in the WhatsApp manager.

Once you download the QR code, you can use your mobile device to test it.
For example, scan this QR code and it will open to the Onestop Support AI.

Go ahead and try it for yourself.
This is a great for placing on brochures or inside printed material so you can send them directly to your onestop AI enabled WhatsApp service.