Well, the plugin chat control is broken so here is this for you all to use!
options:
p: &8[&c!&8]&7
msg: {@p} &cYou are not allowed to use that command!
version: 0.0.1
on chat:
if player does not have permission "staff.chc":
if {mutechat} is set:
cancel event
send "{@p} You can not speak while chat is muted!"
command /chc [<text>]:
permission: staff.chc
permission message: {@msg}
trigger:
i