on join:
    if {Ccolor.%player%} is not set:
        set {Ccolor.%player%} to "f"
    if {syougou.%player%} is not set:
        set {syougou.%player%} to "<guest>"
on chat:
    cancel event
    broadcast "%{syougouC.%player%}%%{syougou.%player%}%%player's display name%:§%{Ccolor.%player%}%%message%"

command /cc <text>:
    permission: sk.admin
    permission message: &cyou don't have permission!
    trigger:
        set {Ccolor.%player%} to "<text>"

command /cper <text>:
    permission: sk.admin
    trigger:
        set {syougou.%player%} to "<text>"