Broadcast Command

broadcast.sk

command /broadcast <text>:
    permission: broadcast.use
    permisison message: &cYou don't have permission!
    trigger:
        broadcast colored arg-1

With Comments

broadcast.sk

# Create a new command named 'broadcast'
# Give it a text argument.
# The argument is required meaning that the skript will send
#   an error message if it is not included.
command /broadcast <text>:
    # Only players that have the permission 'broadcast.use'
    #   can use this command.
    permission: broadcast.use
    # If the player does not have permission, then this
    #   message is sent to them.
    permisison message: &cYou don't have permission!
    # Now let's tell skript what the command should do when
    #   we run it.
    trigger:
        # Broadcasts the first argument of the command with
        #   color codes.
        broadcast colored arg-1