World Example - BenCodez/VotingPlugin GitHub Wiki

You can restrict any rewards to within certain worlds

Rewards:
  Worlds:
  - world1
  - world2

You can also give rewards based on what world the player is on:

AdvancedWorld:
  world:
    Commands:
    - say %player% in world
  world_nether:
    Commands:
    - say %player% in nether