From a greater distance - You can inform or book a transfer by bus
from Germany, Austria Italy
http://meinfernbus.de/en
If You are searching connections from airports please check also this Provider:
http://www.altoadigebus.com/
Once in region - You can inform regarding transfers by south-tyrolean integrated local transport system – in simple words or bus or train or cabinway- here:
https://www.sad.it/de