on join:
   set join message to "&d(&cBot&d) &a[ログイン]&e%player%さんがサーバーに参加しました"

on quit:
   set quit message to "&d(&cBot&d) &6[ログアウト]&e%player%さんが落ちました"

command /announce [<text>]:
    permission: skript.admin
    trigger:
        if arg-1 is set:
            broadcast "&e&l[Announce]&c&l %arg-1%"
        if arg-1 is not set:
            message "&d(&6Bot&d)&a使用法:/announce [text] または /an [text]"

command /an [<text>]:
    permission: skript.admin
    trigger:
        if arg-1 is set:
            broadcast "&e&l[Announce]&c&l %arg-1%"
        if arg-1 is not set:
            message "&d(&6Bot&d)&a使用法:/an [text] または /announce [text]"