1. Go to the „Settings“ section of the „PWA & Push Notifications“ app. At the bottom of the page you will find the section with the name „Add to Home Screen link“. There you have the opportunity to add a custom label text for the link. At the end you can copy the liquid code to your clipboard.

2. The copied code snipped then would have to be included in your theme’s template. For example you could place it somewhere in the footer.liquid file.