on chat:
    cancel event
    if {pre.%player%} is 1
		broadcast "&3[%now%]&7[&cOWNER&7]&r%player%&b: &r%coloured message%"
    else:
		broadcast "&3[%now%]%&e%player%&b: &r%coloured message%"

command /tihi
    permission: skript.admin
    permission message: &rあなたは権限を持っていません。
    trigger:
        set %player% name to "&7[&cOWNER&7]&r%player%"
		set {pre.%player%} to 1