groups:
  Member:
    options:
      default: true
      build: true
      prefix: '&f[&eM&f] &7'
    permissions:
    - permissioniwantglobally.node
    worlds:
      some_world:
        options:
          prefix: '&f[&eSomeWorld&f][&eM&f] &7'
        permissions:
        - permissioniwantperworld.node
      other_world:
        options:
          build: false
        permissions:
        - -permissioniwantperworld.node