firstjoin:
  type: world
  events:
    on player first login:
    - flag <player.name> firstjoin duration:5m

welcome:
  type: world
  events:
    on welcome command:
    - announce "<&8>[<&2>Exodus <&6>Starter<&8>] <&a>Welcome <&7><server.list_online_players.filter[has_flag[firstjoin]]><&a>! From <&o><player.name>"
    - foreach <def[welcome]> {
      - flag <def[welcome]> firstjoin:1
    }