2nd-Level Transmutation
Casting Time: 1 action
Range: Touch
Components: VSM (either a pinch of dried carrot or an agate)
Duration: 8 hours

You touch a willing creature to grant it the ability to see in the dark. For the duration, that creature has darkvision out to a range of 60 feet.
At Higher Levels. When you cast this spell using a spell of 3rd level or higher, you can target an additional creature for each spell slot above 2nd.

Source: PHB 230, SRD