You touch a creature, making a melee spell attack if they creature does not want to be touched, and either deal radiant damage to them equal to 4d8 + your spell casting ability modifier or cause them to regain hitpoints equal to the same amount, your choice.,
At Higher Levels: When you cast this spell using a spell slot of 4th level or higher the healing/damage increases by 1d8 for each slot level above 3rd.