Source: Player's Handbook
Evocation cantrip
  
   Casting Time:
  
  1 action
  
  
   Range:
  
  60 feet
  
  
   Components:
  
  V, S
  
  
   Duration:
  
  Instantaneous
 
Flame-like radiance descends on a creature that you can see within range. The target must succeed on a Dexterity saving throw or take 1d8 radiant damage. The target gains no benefit from cover for this saving throw.
At Higher Levels. The spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).
Spell Lists. Cleric