Add XP - apace100/origins-fabric GitHub Wiki

Entity Action. Adds experience points and levels to the player, or subtracts levels.

Type ID: origins:add_xp

Fields:

points, int, optional: If set, this is the amount experience points that will be given to the player. Can not be negative.

levels, int, optional: If set, this is the amount experience levels that will be given to the player. Can be negative and thus used to subtract levels.