As of the update to version 1.2.53.39, the ‘ekey uno fingerprint scanner’ sends a smart command to the ‘Nuki Smart Lock’.
Depending on the configuration of the ‘Nuki Smart Lock’, it is either opened or unlocked.

You can find further information on the lock settings at: https://support.nuki.io/hc/en-us/articles/360015896057-Door-fitting-Handle-or-knob