on player joins:
    - if <player.has_flag[ResourcePackManager_Default].not> {
      - flag player 'ResourcePackManager_Default:<server.flag[ResourcePackManager.Default]||none>'
      }
    - if <player.flag[ResourcePackManager_Default].is[!=].to[none]||false> {
      - define pack '<player.flag[ResourcePackManager_Default]>'
      - define url '<server.flag[ResourcePackManager.PackList].map_get[%pack%].split_by[;].unescaped||null>'
      - wait 2t
      - adjust <player> 'resource_pack:%url%'
      }