Samsung Auto Hotspot

Introduction After buying a Samsung S23 Ultra there was a new addition to the WiFi list on my Samsung Tab S7+. A new list called “Auto Hotspot” showed “Erik’s S23 Ultra”. Pressing this element turns on Mobile Hotspot on my S23 Ultra and connect my Tab S7+ to it. Where did this come from? How does my tablet learn the password? How is this implemented? Not able to find any previous research on Auto…