User3@host:~$ udisksctl mount -b /dev/sdg1
==== AUTHENTICATING FOR org.freedesktop.udisks2.filesystem-mount ===
Authentication is required to mount Kingston DataTraveler 3.0 (/dev/sdg1)
Multiple identities can be used for authentication:
1.  User1,,, (User1)
2.  ,,, (User2)
Choose identity to authenticate as (1-2):