Use the Share button or go to your audioguide tools to generate links and QR codes
Then, under the QR link generation, you can generate URLs to share:
This interface is explained in detail in the article: Choisissez l'option QR Codes pour générer vos urls.
Once the URLs are generated, you should find them here:
These URLs do not change, unless you change the unique name of the stops.
If you want to give the option to choose between several lines with the same URL, select the relevant lines in the multiple selector.